22102865551 has 8 divisors (see below), whose sum is σ = 23902683840. Its totient is φ = 20317275552.

The previous prime is 22102865549. The next prime is 22102865563. The reversal of 22102865551 is 15556820122.

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 22102865551 - 2¹ = 22102865549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22102865551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102815551) 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, 3553840 + ... + 3560053.

It is an arithmetic number, because the mean of its divisors is an integer number (2987835480).

Almost surely, 2^22102865551 is an apocalyptic number.

22102865551 is a deficient number, since it is larger than the sum of its proper divisors (1799818289).

22102865551 is a wasteful number, since it uses less digits than its factorization.

22102865551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114145.

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 22102865551 in words is "twenty-two billion, one hundred two million, eight hundred sixty-five thousand, five hundred fifty-one".