22212020012022 has 48 divisors (see below), whose sum is σ = 49631059445760. Its totient is φ = 7176000711600.

The previous prime is 22212020011997. The next prime is 22212020012057. The reversal of 22212020012022 is 22021002021222.

22212020012022 is a `hidden beast` number, since 222 + 120 + 200 + 120 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22212020011986 and 22212020012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147215254 + ... + 147366057.

It is an arithmetic number, because the mean of its divisors is an integer number (1033980405120).

Almost surely, 2^{22212020012022} is an apocalyptic number.

22212020012022 is an abundant number, since it is smaller than the sum of its proper divisors (27419039433738).

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

22212020012022 is a wasteful number, since it uses less digits than its factorization.

22212020012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294581449 (or 294581446 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22212020012022 its reverse (22021002021222), we get a palindrome (44233022033244).

The spelling of 22212020012022 in words is "twenty-two trillion, two hundred twelve billion, twenty million, twelve thousand, twenty-two".