228336572 has 6 divisors (see below), whose sum is σ = 399589008. Its totient is φ = 114168284.

The previous prime is 228336523. The next prime is 228336599. The reversal of 228336572 is 275633822.

It is a super-2 number, since 2×228336572² = 104275180225422368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28542068 + ... + 28542075.

It is an arithmetic number, because the mean of its divisors is an integer number (66598168).

Almost surely, 2^228336572 is an apocalyptic number.

It is an amenable number.

228336572 is a deficient number, since it is larger than the sum of its proper divisors (171252436).

228336572 is a wasteful number, since it uses less digits than its factorization.

228336572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57084147 (or 57084145 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 228336572 is about 15110.8097731392. The cubic root of 228336572 is about 611.2119343756.

The spelling of 228336572 in words is "two hundred twenty-eight million, three hundred thirty-six thousand, five hundred seventy-two".