228797370 has 24 divisors (see below), whose sum is σ = 594873396. Its totient is φ = 61012608.

The previous prime is 228797369. The next prime is 228797377. The reversal of 228797370 is 73797822.

It can be written as a sum of positive squares in 2 ways, for example, as 216707841 + 12089529 = 14721^2 + 3477^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (228797377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271007 + ... + 1271186.

Almost surely, 2^228797370 is an apocalyptic number.

228797370 is an abundant number, since it is smaller than the sum of its proper divisors (366076026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228797370 is a wasteful number, since it uses less digits than its factorization.

228797370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542206 (or 2542203 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 228797370 is about 15126.0493850840. The cubic root of 228797370 is about 611.6228132041.

The spelling of 228797370 in words is "two hundred twenty-eight million, seven hundred ninety-seven thousand, three hundred seventy".