642233214 has 24 divisors (see below), whose sum is σ = 1590292080. Its totient is φ = 183495168.

The previous prime is 642233201. The next prime is 642233233. The reversal of 642233214 is 412332246.

642233214 is a `hidden beast` number, since 642 + 2 + 3 + 3 + 2 + 14 = 666.

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, 2548419 + ... + 2548670.

It is an arithmetic number, because the mean of its divisors is an integer number (66262170).

Almost surely, 2^642233214 is an apocalyptic number.

642233214 is an abundant number, since it is smaller than the sum of its proper divisors (948058866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642233214 is a wasteful number, since it uses less digits than its factorization.

642233214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097104 (or 5097101 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 642233214 is about 25342.3206119724. The cubic root of 642233214 is about 862.7750694171.

The spelling of 642233214 in words is "six hundred forty-two million, two hundred thirty-three thousand, two hundred fourteen".