22142202022520 has 32 divisors (see below), whose sum is σ = 50200259559120. Its totient is φ = 8789271029760.

The previous prime is 22142202022519. The next prime is 22142202022559. The reversal of 22142202022520 is 2522020224122.

It is a super-2 number, since 2×22142202022520² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22142202022520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112800297 + ... + 2112810776.

Almost surely, 2^{22142202022520} is an apocalyptic number.

22142202022520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142202022520 is an abundant number, since it is smaller than the sum of its proper divisors (28058057536600).

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

22142202022520 is a wasteful number, since it uses less digits than its factorization.

22142202022520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225611215 (or 4225611211 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22142202022520 its reverse (2522020224122), we get a palindrome (24664222246642).

The spelling of 22142202022520 in words is "twenty-two trillion, one hundred forty-two billion, two hundred two million, twenty-two thousand, five hundred twenty".