22143630636456 has 128 divisors (see below), whose sum is σ = 68397315072000. Its totient is φ = 5831771012352.

The previous prime is 22143630636433. The next prime is 22143630636487. The reversal of 22143630636456 is 65463603634122.

It is a junction number, because it is equal to n+sod(n) for n = 22143630636399 and 22143630636408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93628216 + ... + 93864423.

It is an arithmetic number, because the mean of its divisors is an integer number (534354024000).

Almost surely, 2^{22143630636456} is an apocalyptic number.

It is an amenable number.

22143630636456 is an abundant number, since it is smaller than the sum of its proper divisors (46253684435544).

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

22143630636456 is a wasteful number, since it uses less digits than its factorization.

22143630636456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187492711 (or 187492707 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 51.

The spelling of 22143630636456 in words is "twenty-two trillion, one hundred forty-three billion, six hundred thirty million, six hundred thirty-six thousand, four hundred fifty-six".