202438802225 has 48 divisors (see below), whose sum is σ = 276561566784. Its totient is φ = 145770240000.

The previous prime is 202438802147. The next prime is 202438802227. The reversal of 202438802225 is 522208834202.

It is a de Polignac number, because none of the positive numbers 2^k-202438802225 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202438802227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34894325 + ... + 34900125.

It is an arithmetic number, because the mean of its divisors is an integer number (5761699308).

Almost surely, 2^202438802225 is an apocalyptic number.

202438802225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202438802225 is a deficient number, since it is larger than the sum of its proper divisors (74122764559).

202438802225 is a wasteful number, since it uses less digits than its factorization.

202438802225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 202438802225 in words is "two hundred two billion, four hundred thirty-eight million, eight hundred two thousand, two hundred twenty-five".