22228926615 has 48 divisors (see below), whose sum is σ = 44298229248. Its totient is φ = 10100922048.

The previous prime is 22228926607. The next prime is 22228926631. The reversal of 22228926615 is 51662982222.

It is a happy number.

22228926615 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 8 + 9 + 26 + 615 = 666.

It is not a de Polignac number, because 22228926615 - 2³ = 22228926607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158677 + ... + 263886.

It is an arithmetic number, because the mean of its divisors is an integer number (922879776).

Almost surely, 2^22228926615 is an apocalyptic number.

22228926615 is a deficient number, since it is larger than the sum of its proper divisors (22069302633).

22228926615 is a wasteful number, since it uses less digits than its factorization.

22228926615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422748 (or 422745 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 22228926615 in words is "twenty-two billion, two hundred twenty-eight million, nine hundred twenty-six thousand, six hundred fifteen".