202222001000 has 64 divisors (see below), whose sum is σ = 476653816080. Its totient is φ = 80298316800.

The previous prime is 202222000973. The next prime is 202222001029. The reversal of 202222001000 is 100222202.

It can be written as a sum of positive squares in 8 ways, for example, as 37381128964 + 164840872036 = 193342^2 + 406006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601037 + ... + 875036.

Almost surely, 2^202222001000 is an apocalyptic number.

202222001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222001000 is an abundant number, since it is smaller than the sum of its proper divisors (274431815080).

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

202222001000 is a wasteful number, since it uses less digits than its factorization.

202222001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476231 (or 1476217 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 202222001000 its reverse (100222202), we get a palindrome (202322223202).

The spelling of 202222001000 in words is "two hundred two billion, two hundred twenty-two million, one thousand".