22242515144 has 16 divisors (see below), whose sum is σ = 41935131420. Its totient is φ = 11059813440.

The previous prime is 22242515143. The next prime is 22242515177. The reversal of 22242515144 is 44151524222.

It can be written as a sum of positive squares in 2 ways, for example, as 22242143044 + 372100 = 149138^2 + 610^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22242515144.

It is not an unprimeable number, because it can be changed into a prime (22242515143) 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, 7678979 + ... + 7681874.

Almost surely, 2^22242515144 is an apocalyptic number.

It is an amenable number.

22242515144 is a deficient number, since it is larger than the sum of its proper divisors (19692616276).

22242515144 is a wasteful number, since it uses less digits than its factorization.

22242515144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15361040 (or 15361036 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The spelling of 22242515144 in words is "twenty-two billion, two hundred forty-two million, five hundred fifteen thousand, one hundred forty-four".