228500337 has 12 divisors (see below), whose sum is σ = 329906544. Its totient is φ = 140615280.

The previous prime is 228500299. The next prime is 228500353. The reversal of 228500337 is 733005822.

It is a de Polignac number, because none of the positive numbers 2^k-228500337 is a prime.

It is a super-2 number, since 2×228500337² = 104424808018227138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228501337) 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, 224839 + ... + 225852.

It is an arithmetic number, because the mean of its divisors is an integer number (27492212).

Almost surely, 2^228500337 is an apocalyptic number.

It is an amenable number.

228500337 is a deficient number, since it is larger than the sum of its proper divisors (101406207).

228500337 is a wasteful number, since it uses less digits than its factorization.

228500337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450720 (or 450707 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 228500337 is about 15116.2276047961. The cubic root of 228500337 is about 611.3580216499.

The spelling of 228500337 in words is "two hundred twenty-eight million, five hundred thousand, three hundred thirty-seven".