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1002223002221 = 7316745208309
BaseRepresentation
bin11101001010110010010…
…01010110001001101101
310112210220122101122020122
432211121021112021231
5112410023042032341
62044225341054325
7132260006650040
oct16453111261155
93483818348218
101002223002221
11357049836411
121422a25573a5
13736809c1c7c
1436717790c57
151b10b9c894b
hexe95925626d

1002223002221 has 8 divisors (see below), whose sum is σ = 1145759408640. Its totient is φ = 858777018768.

The previous prime is 1002223002217. The next prime is 1002223002257. The reversal of 1002223002221 is 1222003222001.

1002223002221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1002223002221 - 22 = 1002223002217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002223002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002223002821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22581986 + ... + 22626323.

It is an arithmetic number, because the mean of its divisors is an integer number (143219926080).

Almost surely, 21002223002221 is an apocalyptic number.

It is an amenable number.

1002223002221 is a deficient number, since it is larger than the sum of its proper divisors (143536406419).

1002223002221 is an equidigital number, since it uses as much as digits as its factorization.

1002223002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45211483.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1002223002221 its reverse (1222003222001), we get a palindrome (2224226224222).

The spelling of 1002223002221 in words is "one trillion, two billion, two hundred twenty-three million, two thousand, two hundred twenty-one".

Divisors: 1 7 3167 22169 45208309 316458163 143174714603 1002223002221