228647122 has 16 divisors (see below), whose sum is σ = 379422144. Its totient is φ = 102466000.

The previous prime is 228647113. The next prime is 228647131. The reversal of 228647122 is 221746822.

It is an interprime number because it is at equal distance from previous prime (228647113) and next prime (228647131).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71629 + ... + 74752.

It is an arithmetic number, because the mean of its divisors is an integer number (23713884).

Almost surely, 2^228647122 is an apocalyptic number.

228647122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228647122 is a deficient number, since it is larger than the sum of its proper divisors (150775022).

228647122 is a wasteful number, since it uses less digits than its factorization.

228647122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146465.

The product of its digits is 21504, while the sum is 34.

The square root of 228647122 is about 15121.0820380024. The cubic root of 228647122 is about 611.4889025343.

The spelling of 228647122 in words is "two hundred twenty-eight million, six hundred forty-seven thousand, one hundred twenty-two".