22222220012202 has 64 divisors (see below), whose sum is σ = 53474326778880. Its totient is φ = 6014212229376.

The previous prime is 22222220012159. The next prime is 22222220012233. The reversal of 22222220012202 is 20221002222222.

It is a super-2 number, since 2×22222220012202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3925458 + ... + 7736514.

It is an arithmetic number, because the mean of its divisors is an integer number (835536355920).

Almost surely, 2^{22222220012202} is an apocalyptic number.

22222220012202 is an abundant number, since it is smaller than the sum of its proper divisors (31252106766678).

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

22222220012202 is a wasteful number, since it uses less digits than its factorization.

22222220012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818395.

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

Adding to 22222220012202 its reverse (20221002222222), we get a palindrome (42443222234424).

The spelling of 22222220012202 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred two".