228642670 has 48 divisors (see below), whose sum is σ = 440489088. Its totient is φ = 85357440.

The previous prime is 228642611. The next prime is 228642709. The reversal of 228642670 is 76246822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260272 + ... + 261148.

It is an arithmetic number, because the mean of its divisors is an integer number (9176856).

Almost surely, 2^228642670 is an apocalyptic number.

228642670 is a deficient number, since it is larger than the sum of its proper divisors (211846418).

228642670 is a wasteful number, since it uses less digits than its factorization.

228642670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 228642670 is about 15120.9348255986. The cubic root of 228642670 is about 611.4849337312.

The spelling of 228642670 in words is "two hundred twenty-eight million, six hundred forty-two thousand, six hundred seventy".