325778222 has 32 divisors (see below), whose sum is σ = 614317824. Its totient is φ = 126919320.

The previous prime is 325778221. The next prime is 325778231. The reversal of 325778222 is 222877523.

It is a super-2 number, since 2×325778222² = 212262899858962568, which contains 22 as substring.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (325778221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9893 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (19197432).

Almost surely, 2^325778222 is an apocalyptic number.

325778222 is a deficient number, since it is larger than the sum of its proper divisors (288539602).

325778222 is a wasteful number, since it uses less digits than its factorization.

325778222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525 (or 17503 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 325778222 is about 18049.3274666953. The cubic root of 325778222 is about 688.0827698666.

The spelling of 325778222 in words is "three hundred twenty-five million, seven hundred seventy-eight thousand, two hundred twenty-two".