22000055000000 has 448 divisors, whose sum is σ = 68036900825088. Its totient is φ = 6857040000000.

The previous prime is 22000054999973. The next prime is 22000055000023. The reversal of 22000055000000 is 55000022.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384971429 + ... + 385028571.

Almost surely, 2^{22000055000000} is an apocalyptic number.

22000055000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000055000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34018450412544).

22000055000000 is an abundant number, since it is smaller than the sum of its proper divisors (46036845825088).

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

22000055000000 is an frugal number, since it uses more digits than its factorization.

22000055000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57208 (or 57168 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The spelling of 22000055000000 in words is "twenty-two trillion, fifty-five million", and thus it is an aban number and an uban number.