22201431444402 has 16 divisors (see below), whose sum is σ = 50746129015872. Its totient is φ = 6343266126960.

The previous prime is 22201431444397. The next prime is 22201431444407. The reversal of 22201431444402 is 20444413410222.

It is an interprime number because it is at equal distance from previous prime (22201431444397) and next prime (22201431444407).

It is not an unprimeable number, because it can be changed into a prime (22201431444407) 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, 264302755249 + ... + 264302755332.

It is an arithmetic number, because the mean of its divisors is an integer number (3171633063492).

Almost surely, 2^{22201431444402} is an apocalyptic number.

22201431444402 is an abundant number, since it is smaller than the sum of its proper divisors (28544697571470).

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

22201431444402 is a wasteful number, since it uses less digits than its factorization.

22201431444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528605510593.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 22201431444402 its reverse (20444413410222), we get a palindrome (42645844854624).

The spelling of 22201431444402 in words is "twenty-two trillion, two hundred one billion, four hundred thirty-one million, four hundred forty-four thousand, four hundred two".