228214646 has 24 divisors (see below), whose sum is σ = 376830792. Its totient is φ = 102799200.

The previous prime is 228214627. The next prime is 228214667. The reversal of 228214646 is 646412822.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979346 + ... + 979578.

It is an arithmetic number, because the mean of its divisors is an integer number (15701283).

Almost surely, 2^228214646 is an apocalyptic number.

228214646 is a deficient number, since it is larger than the sum of its proper divisors (148616146).

228214646 is a wasteful number, since it uses less digits than its factorization.

228214646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 457 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 228214646 is about 15106.7748378004. The cubic root of 228214646 is about 611.1031243939.

The spelling of 228214646 in words is "two hundred twenty-eight million, two hundred fourteen thousand, six hundred forty-six".