22142155513544 has 64 divisors (see below), whose sum is σ = 48482540064000. Its totient is φ = 9373290995520.

The previous prime is 22142155513481. The next prime is 22142155513571. The reversal of 22142155513544 is 44531555124122.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 22142155513495 and 22142155513504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112129454 + ... + 112326749.

It is an arithmetic number, because the mean of its divisors is an integer number (757539688500).

Almost surely, 2^{22142155513544} is an apocalyptic number.

It is an amenable number.

22142155513544 is an abundant number, since it is smaller than the sum of its proper divisors (26340384550456).

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

22142155513544 is a wasteful number, since it uses less digits than its factorization.

22142155513544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224456298 (or 224456294 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

The spelling of 22142155513544 in words is "twenty-two trillion, one hundred forty-two billion, one hundred fifty-five million, five hundred thirteen thousand, five hundred forty-four".