228757502 has 4 divisors (see below), whose sum is σ = 343136256. Its totient is φ = 114378750.

The previous prime is 228757493. The next prime is 228757513. The reversal of 228757502 is 205757822.

It is a semiprime because it is the product of two primes.

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, 57189374 + ... + 57189377.

It is an arithmetic number, because the mean of its divisors is an integer number (85784064).

Almost surely, 2^228757502 is an apocalyptic number.

228757502 is a deficient number, since it is larger than the sum of its proper divisors (114378754).

228757502 is a wasteful number, since it uses less digits than its factorization.

228757502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114378753.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 228757502 is about 15124.7314686906. The cubic root of 228757502 is about 611.5872859968.

The spelling of 228757502 in words is "two hundred twenty-eight million, seven hundred fifty-seven thousand, five hundred two".