22202423221220 has 48 divisors (see below), whose sum is σ = 50893496337600. Its totient is φ = 8068884136320.

The previous prime is 22202423221211. The next prime is 22202423221243. The reversal of 22202423221220 is 2212232420222.

It is a self number, because there is not a number n which added to its sum of digits gives 22202423221220.

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, 29150090 + ... + 29902049.

It is an arithmetic number, because the mean of its divisors is an integer number (1060281173700).

Almost surely, 2^{22202423221220} is an apocalyptic number.

22202423221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202423221220 is an abundant number, since it is smaller than the sum of its proper divisors (28691073116380).

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

22202423221220 is a wasteful number, since it uses less digits than its factorization.

22202423221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59053868 (or 59053866 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22202423221220 its reverse (2212232420222), we get a palindrome (24414655641442).

The spelling of 22202423221220 in words is "twenty-two trillion, two hundred two billion, four hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty".