22994872615 has 48 divisors (see below), whose sum is σ = 33043563360. Its totient is φ = 15225200640.

The previous prime is 22994872561. The next prime is 22994872643. The reversal of 22994872615 is 51627849922.

It is a happy number.

It is not a de Polignac number, because 22994872615 - 2¹⁷ = 22994741543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 661591 + ... + 695479.

It is an arithmetic number, because the mean of its divisors is an integer number (688407570).

Almost surely, 2^22994872615 is an apocalyptic number.

22994872615 is a deficient number, since it is larger than the sum of its proper divisors (10048690745).

22994872615 is a wasteful number, since it uses less digits than its factorization.

22994872615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34004 (or 33991 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 22994872615 in words is "twenty-two billion, nine hundred ninety-four million, eight hundred seventy-two thousand, six hundred fifteen".