22515140288 has 28 divisors (see below), whose sum is σ = 46119726912. Its totient is φ = 10894421760.

The previous prime is 22515140287. The next prime is 22515140299. The reversal of 22515140288 is 88204151522.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22515140287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672195 + ... + 5676162.

It is an arithmetic number, because the mean of its divisors is an integer number (1647133104).

Almost surely, 2^22515140288 is an apocalyptic number.

It is an amenable number.

22515140288 is an abundant number, since it is smaller than the sum of its proper divisors (23604586624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22515140288 is a wasteful number, since it uses less digits than its factorization.

22515140288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348400 (or 11348390 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 22515140288 in words is "twenty-two billion, five hundred fifteen million, one hundred forty thousand, two hundred eighty-eight".