202221019972 has 24 divisors (see below), whose sum is σ = 374721704280. Its totient is φ = 95158248960.

The previous prime is 202221019961. The next prime is 202221019981. The reversal of 202221019972 is 279910122202.

202221019972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 62267217156 + 139953802816 = 249534^2 + 374104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653822 + ... + 1771882.

It is an arithmetic number, because the mean of its divisors is an integer number (15613404345).

Almost surely, 2^202221019972 is an apocalyptic number.

It is an amenable number.

202221019972 is a deficient number, since it is larger than the sum of its proper divisors (172500684308).

202221019972 is a wasteful number, since it uses less digits than its factorization.

202221019972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143271 (or 143269 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 202221019972 in words is "two hundred two billion, two hundred twenty-one million, nineteen thousand, nine hundred seventy-two".