22222020221010 has 24 divisors (see below), whose sum is σ = 57777252574860. Its totient is φ = 5925872058912.

The previous prime is 22222020220957. The next prime is 22222020221117. The reversal of 22222020221010 is 1012202022222.

22222020221010 is a `hidden beast` number, since 2 + 22 + 220 + 202 + 210 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20530930645449 + 1691089575561 = 4531107^2 + 1300419^2 .

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 11 ways as a sum of consecutive naturals, for example, 123455667805 + ... + 123455667984.

Almost surely, 2^{22222020221010} is an apocalyptic number.

22222020221010 is an abundant number, since it is smaller than the sum of its proper divisors (35555232353850).

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

22222020221010 is a wasteful number, since it uses less digits than its factorization.

22222020221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246911335802 (or 246911335799 counting only the distinct ones).

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

Adding to 22222020221010 its reverse (1012202022222), we get a palindrome (23234222243232).

The spelling of 22222020221010 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, two hundred twenty-one thousand, ten".