22203431443144 has 32 divisors (see below), whose sum is σ = 47659015768320. Its totient is φ = 9499709511936.

The previous prime is 22203431443097. The next prime is 22203431443199. The reversal of 22203431443144 is 44134413430222.

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, 334275264 + ... + 334341679.

It is an arithmetic number, because the mean of its divisors is an integer number (1489344242760).

Almost surely, 2^{22203431443144} is an apocalyptic number.

It is an amenable number.

22203431443144 is an abundant number, since it is smaller than the sum of its proper divisors (25455584325176).

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

22203431443144 is a wasteful number, since it uses less digits than its factorization.

22203431443144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668617549 (or 668617545 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 22203431443144 its reverse (44134413430222), we get a palindrome (66337844873366).

The spelling of 22203431443144 in words is "twenty-two trillion, two hundred three billion, four hundred thirty-one million, four hundred forty-three thousand, one hundred forty-four".