22201222020220 has 12 divisors (see below), whose sum is σ = 46622566242504. Its totient is φ = 8880488808080.

The previous prime is 22201222020181. The next prime is 22201222020239. The reversal of 22201222020220 is 2202022210222.

It is a super-2 number, since 2×22201222020220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555030550486 + ... + 555030550525.

It is an arithmetic number, because the mean of its divisors is an integer number (3885213853542).

Almost surely, 2^{22201222020220} is an apocalyptic number.

22201222020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201222020220 is an abundant number, since it is smaller than the sum of its proper divisors (24421344222284).

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

22201222020220 is a wasteful number, since it uses less digits than its factorization.

22201222020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110061101020 (or 1110061101018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22201222020220 its reverse (2202022210222), we get a palindrome (24403244230442).

The spelling of 22201222020220 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-two million, twenty thousand, two hundred twenty".