333330428 has 12 divisors (see below), whose sum is σ = 584194632. Its totient is φ = 166417680.

The previous prime is 333330391. The next prime is 333330449. The reversal of 333330428 is 824033333.

It is a happy number.

It is a super-2 number, since 2×333330428² = 222218348461326368, 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 333330428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58838 + ... + 64253.

It is an arithmetic number, because the mean of its divisors is an integer number (48682886).

Almost surely, 2^333330428 is an apocalyptic number.

It is an amenable number.

333330428 is a deficient number, since it is larger than the sum of its proper divisors (250864204).

333330428 is a wasteful number, since it uses less digits than its factorization.

333330428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123772 (or 123770 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 333330428 is about 18257.3390175020. The cubic root of 333330428 is about 693.3592598992.

The spelling of 333330428 in words is "three hundred thirty-three million, three hundred thirty thousand, four hundred twenty-eight".