228115955 has 16 divisors (see below), whose sum is σ = 289094400. Its totient is φ = 172447968.

The previous prime is 228115913. The next prime is 228115969. The reversal of 228115955 is 559511822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 228115955 - 2⁶ = 228115891 is a prime.

It is a super-3 number, since 3×228115955³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405 + ... + 21494.

It is an arithmetic number, because the mean of its divisors is an integer number (18068400).

Almost surely, 2^228115955 is an apocalyptic number.

228115955 is a deficient number, since it is larger than the sum of its proper divisors (60978445).

228115955 is a wasteful number, since it uses less digits than its factorization.

228115955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24010.

The product of its digits is 36000, while the sum is 38.

The square root of 228115955 is about 15103.5080362146. The cubic root of 228115955 is about 611.0150215555.

The spelling of 228115955 in words is "two hundred twenty-eight million, one hundred fifteen thousand, nine hundred fifty-five".