22201432442320 has 40 divisors (see below), whose sum is σ = 51619881685320. Its totient is φ = 8880306094080.

The previous prime is 22201432442317. The next prime is 22201432442323. The reversal of 22201432442320 is 2324423410222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22201432442317) and next prime (22201432442323).

It can be written as a sum of positive squares in 4 ways, for example, as 2712174209424 + 19489258232896 = 1646868^2 + 4414664^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201432442323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480621 + ... + 6826060.

It is an arithmetic number, because the mean of its divisors is an integer number (1290497042133).

Almost surely, 2^{22201432442320} is an apocalyptic number.

22201432442320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201432442320 is an abundant number, since it is smaller than the sum of its proper divisors (29418449243000).

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

22201432442320 is a wasteful number, since it uses less digits than its factorization.

22201432442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340103 (or 8340097 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 22201432442320 its reverse (2324423410222), we get a palindrome (24525855852542).

The spelling of 22201432442320 in words is "twenty-two trillion, two hundred one billion, four hundred thirty-two million, four hundred forty-two thousand, three hundred twenty".