22021222022022 has 32 divisors (see below), whose sum is σ = 45579678220800. Its totient is φ = 7084407524768.

The previous prime is 22021222022003. The next prime is 22021222022057. The reversal of 22021222022022 is 22022022212022.

It is a self number, because there is not a number n which added to its sum of digits gives 22021222022022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25305918 + ... + 26161649.

It is an arithmetic number, because the mean of its divisors is an integer number (1424364944400).

Almost surely, 2^{22021222022022} is an apocalyptic number.

22021222022022 is an abundant number, since it is smaller than the sum of its proper divisors (23558456198778).

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

22021222022022 is a wasteful number, since it uses less digits than its factorization.

22021222022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51470060.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22021222022022 its reverse (22022022212022), we get a palindrome (44043244234044).

The spelling of 22021222022022 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-two million, twenty-two thousand, twenty-two".