228417536 has 28 divisors (see below), whose sum is σ = 456823572. Its totient is φ = 114204672.

The previous prime is 228417533. The next prime is 228417547. The reversal of 228417536 is 635714822.

It is a happy number.

It is a super-2 number, since 2×228417536² = 104349141504622592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228417536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228417533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750 + ... + 22133.

Almost surely, 2^228417536 is an apocalyptic number.

It is an amenable number.

228417536 is a deficient number, since it is larger than the sum of its proper divisors (228406036).

228417536 is an frugal number, since it uses more digits than its factorization.

228417536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27909 (or 27885 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 228417536 is about 15113.4885450051. The cubic root of 228417536 is about 611.2841673879.

The spelling of 228417536 in words is "two hundred twenty-eight million, four hundred seventeen thousand, five hundred thirty-six".