202221999970 has 8 divisors (see below), whose sum is σ = 363999599964. Its totient is φ = 80888799984.

The previous prime is 202221999911. The next prime is 202222000003. The reversal of 202221999970 is 79999122202.

It can be written as a sum of positive squares in 2 ways, for example, as 202221995481 + 4489 = 449691^2 + 67^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111099989 + ... + 10111100008.

Almost surely, 2^202221999970 is an apocalyptic number.

202221999970 is a deficient number, since it is larger than the sum of its proper divisors (161777599994).

202221999970 is a wasteful number, since it uses less digits than its factorization.

202221999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222200004.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 202221999970 in words is "two hundred two billion, two hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred seventy".