22144243038 has 16 divisors (see below), whose sum is σ = 44570580240. Its totient is φ = 7334398656.

The previous prime is 22144243021. The next prime is 22144243057. The reversal of 22144243038 is 83034244122.

It is a super-2 number, since 2×22144243038² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11752903 + ... + 11754786.

It is an arithmetic number, because the mean of its divisors is an integer number (2785661265).

Almost surely, 2^22144243038 is an apocalyptic number.

22144243038 is an abundant number, since it is smaller than the sum of its proper divisors (22426337202).

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

22144243038 is a wasteful number, since it uses less digits than its factorization.

22144243038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23507851.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 22144243038 in words is "twenty-two billion, one hundred forty-four million, two hundred forty-three thousand, thirty-eight".