228232372 has 12 divisors (see below), whose sum is σ = 399512736. Its totient is φ = 114085880.

The previous prime is 228232369. The next prime is 228232373. The reversal of 228232372 is 273232822.

228232372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228232373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23847 + ... + 32017.

It is an arithmetic number, because the mean of its divisors is an integer number (33292728).

Almost surely, 2^228232372 is an apocalyptic number.

It is an amenable number.

228232372 is a deficient number, since it is larger than the sum of its proper divisors (171280364).

228232372 is a wasteful number, since it uses less digits than its factorization.

228232372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158 (or 15156 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 228232372 is about 15107.3615168235. The cubic root of 228232372 is about 611.1189459516.

The spelling of 228232372 in words is "two hundred twenty-eight million, two hundred thirty-two thousand, three hundred seventy-two".