22221401013400 has 48 divisors (see below), whose sum is σ = 51886494621000. Its totient is φ = 8850412058880.

The previous prime is 22221401013359. The next prime is 22221401013419. The reversal of 22221401013400 is 431010412222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238380450 + ... + 238473649.

Almost surely, 2^{22221401013400} is an apocalyptic number.

22221401013400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221401013400 is an abundant number, since it is smaller than the sum of its proper divisors (29665093607600).

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

22221401013400 is a wasteful number, since it uses less digits than its factorization.

22221401013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476854348 (or 476854339 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22221401013400 its reverse (431010412222), we get a palindrome (22652411425622).

The spelling of 22221401013400 in words is "twenty-two trillion, two hundred twenty-one billion, four hundred one million, thirteen thousand, four hundred".