22988825887 has 8 divisors (see below), whose sum is σ = 23999754240. Its totient is φ = 21978848760.

The previous prime is 22988825863. The next prime is 22988825891. The reversal of 22988825887 is 78852888922.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-22988825887 is a prime.

It is a super-2 number, since 2×22988825887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22988825087) 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, 188187 + ... + 285292.

It is an arithmetic number, because the mean of its divisors is an integer number (2999969280).

Almost surely, 2^22988825887 is an apocalyptic number.

22988825887 is a deficient number, since it is larger than the sum of its proper divisors (1010928353).

22988825887 is a wasteful number, since it uses less digits than its factorization.

22988825887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475613.

The product of its digits is 82575360, while the sum is 67.

The spelling of 22988825887 in words is "twenty-two billion, nine hundred eighty-eight million, eight hundred twenty-five thousand, eight hundred eighty-seven".