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2202023202221 = 23241179577983
BaseRepresentation
bin100000000010110010110…
…011111000110110101101
321210111210210010212011002
4200002302303320312231
5242034220414432341
64403332343210045
7315043121250563
oct40026263706655
97714723125132
102202023202221
11779966766837
122b6925146925
1312c85aa9270b
1478815549a33
153c42dd9929b
hex200b2cf8dad

2202023202221 has 48 divisors (see below), whose sum is σ = 2377770111360. Its totient is φ = 2037813719040.

The previous prime is 2202023202179. The next prime is 2202023202257. The reversal of 2202023202221 is 1222023202022.

It is a de Polignac number, because none of the positive numbers 2k-2202023202221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202023202193 and 2202023202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202023202521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2240104496 + ... + 2240105478.

It is an arithmetic number, because the mean of its divisors is an integer number (49536877320).

Almost surely, 22202023202221 is an apocalyptic number.

It is an amenable number.

2202023202221 is a deficient number, since it is larger than the sum of its proper divisors (175746909139).

2202023202221 is a wasteful number, since it uses less digits than its factorization.

2202023202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2202023202221 its reverse (1222023202022), we get a palindrome (3424046404243).

The spelling of 2202023202221 in words is "two trillion, two hundred two billion, twenty-three million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 23 41 179 529 577 943 983 4117 7339 13271 21689 22609 23657 40303 94691 103283 168797 175957 305233 520007 544111 567191 926969 2375509 3882331 4047011 4234603 7214237 12514553 13045393 21320287 23254831 54636707 93081253 97395869 101527189 165927451 300044039 534861113 2240104987 2335125347 3816331373 4162614749 12301805599 53707882981 95740139227 2202023202221