22878316232 has 36 divisors (see below), whose sum is σ = 43764862995. Its totient is φ = 11212201728.

The previous prime is 22878316213. The next prime is 22878316249. The reversal of 22878316232 is 23261387822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 12138310276 + 10740005956 = 110174^2 + 103634^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106954.

It is a super-2 number, since 2×22878316232² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22673744 + ... + 22674752.

Almost surely, 2^22878316232 is an apocalyptic number.

It is an amenable number.

22878316232 is a deficient number, since it is larger than the sum of its proper divisors (20886546763).

22878316232 is an frugal number, since it uses more digits than its factorization.

22878316232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 1064 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The spelling of 22878316232 in words is "twenty-two billion, eight hundred seventy-eight million, three hundred sixteen thousand, two hundred thirty-two".