214221708 has 18 divisors (see below), whose sum is σ = 541504964. Its totient is φ = 71407224.

The previous prime is 214221703. The next prime is 214221727. The reversal of 214221708 is 807122412.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (214221703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2975266 + ... + 2975337.

Almost surely, 2^214221708 is an apocalyptic number.

It is an amenable number.

214221708 is an abundant number, since it is smaller than the sum of its proper divisors (327283256).

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

214221708 is a wasteful number, since it uses less digits than its factorization.

214221708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950613 (or 5950608 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 214221708 is about 14636.3147000876. The cubic root of 214221708 is about 598.3488939156.

The spelling of 214221708 in words is "two hundred fourteen million, two hundred twenty-one thousand, seven hundred eight".