228161054 has 16 divisors (see below), whose sum is σ = 385399296. Its totient is φ = 100363800.

The previous prime is 228161051. The next prime is 228161071. The reversal of 228161054 is 450161822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228161051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166592 + ... + 167955.

It is an arithmetic number, because the mean of its divisors is an integer number (24087456).

Almost surely, 2^228161054 is an apocalyptic number.

228161054 is a deficient number, since it is larger than the sum of its proper divisors (157238242).

228161054 is a wasteful number, since it uses less digits than its factorization.

228161054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334591.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 228161054 is about 15105.0009599470. Note that the first 3 decimals coincide. The cubic root of 228161054 is about 611.0552852169.

Subtracting from 228161054 its sum of digits (29), we obtain a square (228161025 = 15105²).

The spelling of 228161054 in words is "two hundred twenty-eight million, one hundred sixty-one thousand, fifty-four".