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22021203001 = 721114909413
BaseRepresentation
bin10100100000100100…
…001110010000111001
32002211200210000112011
4110200210032100321
5330044411444001
614041050445521
71406464065010
oct244044162071
962750700464
1022021203001
119380438826
124326a338a1
1320cc366b45
1410cc8dda77
1588d41ad51
hex52090e439

22021203001 has 8 divisors (see below), whose sum is σ = 25286366144. Its totient is φ = 18785859120.

The previous prime is 22021202989. The next prime is 22021203023. The reversal of 22021203001 is 10030212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22021203001 - 223 = 22012814393 is a prime.

It is a super-2 number, since 2×220212030012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021203031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7453230 + ... + 7456183.

It is an arithmetic number, because the mean of its divisors is an integer number (3160795768).

Almost surely, 222021203001 is an apocalyptic number.

It is an amenable number.

22021203001 is a deficient number, since it is larger than the sum of its proper divisors (3265163143).

22021203001 is a wasteful number, since it uses less digits than its factorization.

22021203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909631.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22021203001 its reverse (10030212022), we get a palindrome (32051415023).

The spelling of 22021203001 in words is "twenty-two billion, twenty-one million, two hundred three thousand, one".

Divisors: 1 7 211 1477 14909413 104365891 3145886143 22021203001