22021122022002 has 32 divisors (see below), whose sum is σ = 50129383469760. Its totient is φ = 7161340494240.

The previous prime is 22021122021973. The next prime is 22021122022027. The reversal of 22021122022002 is 20022022112022.

22021122022002 is a `hidden beast` number, since 220 + 2 + 1 + 1 + 220 + 220 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 4973150908 + ... + 4973155335.

It is an arithmetic number, because the mean of its divisors is an integer number (1566543233430).

Almost surely, 2^{22021122022002} is an apocalyptic number.

22021122022002 is an abundant number, since it is smaller than the sum of its proper divisors (28108261447758).

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

22021122022002 is a wasteful number, since it uses less digits than its factorization.

22021122022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946306295 (or 9946306289 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22021122022002 its reverse (20022022112022), we get a palindrome (42043144134024).

The spelling of 22021122022002 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, two".