202225891 has 24 divisors (see below), whose sum is σ = 240063936. Its totient is φ = 169827840.

The previous prime is 202225871. The next prime is 202225909. The reversal of 202225891 is 198522202.

202225891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202225891 - 2¹⁷ = 202094819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202225801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746086 + ... + 746356.

It is an arithmetic number, because the mean of its divisors is an integer number (10002664).

Almost surely, 2^202225891 is an apocalyptic number.

202225891 is a deficient number, since it is larger than the sum of its proper divisors (37838045).

202225891 is a wasteful number, since it uses less digits than its factorization.

202225891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 202225891 is about 14220.6150007656. The cubic root of 202225891 is about 586.9650634567.

The spelling of 202225891 in words is "two hundred two million, two hundred twenty-five thousand, eight hundred ninety-one".