22200022220202 has 48 divisors (see below), whose sum is σ = 49403380570440. Its totient is φ = 7199521698816.

The previous prime is 22200022220111. The next prime is 22200022220249. The reversal of 22200022220202 is 20202222000222.

22200022220202 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 22 + 220 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21577799426481 + 622222793721 = 4645191^2 + 788811^2 .

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

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, 8826318 + ... + 11059110.

Almost surely, 2^{22200022220202} is an apocalyptic number.

22200022220202 is an abundant number, since it is smaller than the sum of its proper divisors (27203358350238).

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

22200022220202 is a wasteful number, since it uses less digits than its factorization.

22200022220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247767 (or 2247764 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22200022220202 its reverse (20202222000222), we get a palindrome (42402244220424).

It can be divided in two parts, 222000222 and 20202, that multiplied together give a palindrome (4484848484844).

The spelling of 22200022220202 in words is "twenty-two trillion, two hundred billion, twenty-two million, two hundred twenty thousand, two hundred two".