228777974 has 24 divisors (see below), whose sum is σ = 370652040. Its totient is φ = 105833952.

The previous prime is 228777947. The next prime is 228777977. The reversal of 228777974 is 479777822.

It is a happy number.

It is a super-2 number, since 2×228777974² = 104678722775089352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228777977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27362 + ... + 34730.

It is an arithmetic number, because the mean of its divisors is an integer number (15443835).

Almost surely, 2^228777974 is an apocalyptic number.

228777974 is a deficient number, since it is larger than the sum of its proper divisors (141874066).

228777974 is a wasteful number, since it uses less digits than its factorization.

228777974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452 (or 7433 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 53.

The square root of 228777974 is about 15125.4082258959. The cubic root of 228777974 is about 611.6055295391.

The spelling of 228777974 in words is "two hundred twenty-eight million, seven hundred seventy-seven thousand, nine hundred seventy-four".