22013040144 has 40 divisors (see below), whose sum is σ = 56880234432. Its totient is φ = 7335975040.

The previous prime is 22013040131. The next prime is 22013040167. The reversal of 22013040144 is 44104031022.

It is a self number, because there is not a number n which added to its sum of digits gives 22013040144.

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, 164629 + ... + 266699.

Almost surely, 2^22013040144 is an apocalyptic number.

22013040144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22013040144 is an abundant number, since it is smaller than the sum of its proper divisors (34867194288).

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

22013040144 is a wasteful number, since it uses less digits than its factorization.

22013040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106575 (or 106569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22013040144 its reverse (44104031022), we get a palindrome (66117071166).

The spelling of 22013040144 in words is "twenty-two billion, thirteen million, forty thousand, one hundred forty-four".