22022446642000 has 80 divisors (see below), whose sum is σ = 60857458301952. Its totient is φ = 7550553129600.

The previous prime is 22022446641991. The next prime is 22022446642043. The reversal of 22022446642000 is 24664422022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 786501952 + ... + 786529951.

Almost surely, 2^{22022446642000} is an apocalyptic number.

22022446642000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022446642000 is an abundant number, since it is smaller than the sum of its proper divisors (38835011659952).

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

22022446642000 is a wasteful number, since it uses less digits than its factorization.

22022446642000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573031933 (or 1573031917 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 22022446642000 in words is "twenty-two trillion, twenty-two billion, four hundred forty-six million, six hundred forty-two thousand".