22220000220000 has 240 divisors, whose sum is σ = 79512051148992. Its totient is φ = 5386666560000.

The previous prime is 22220000219987. The next prime is 22220000220023. The reversal of 22220000220000 is 2200002222.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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 39 ways as a sum of consecutive naturals, for example, 16173334 + ... + 17493333.

Almost surely, 2^{22220000220000} is an apocalyptic number.

22220000220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220000220000 is an abundant number, since it is smaller than the sum of its proper divisors (57292050928992).

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

22220000220000 is a wasteful number, since it uses less digits than its factorization.

22220000220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666711 (or 33666688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22220000220000 its reverse (2200002222), we get a palindrome (22222200222222).

The spelling of 22220000220000 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty thousand".