214462021 has 8 divisors (see below), whose sum is σ = 232616664. Its totient is φ = 196922880.

The previous prime is 214462007. The next prime is 214462033. The reversal of 214462021 is 120264412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 893025 + 213568996 = 945^2 + 14614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214462021 - 2²⁵ = 180907589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214461983 and 214462001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214462121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153150 + ... + 154543.

It is an arithmetic number, because the mean of its divisors is an integer number (29077083).

Almost surely, 2^214462021 is an apocalyptic number.

It is an amenable number.

214462021 is a deficient number, since it is larger than the sum of its proper divisors (18154643).

214462021 is a wasteful number, since it uses less digits than its factorization.

214462021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307751.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 214462021 is about 14644.5218767975. The cubic root of 214462021 is about 598.5725520508.

The spelling of 214462021 in words is "two hundred fourteen million, four hundred sixty-two thousand, twenty-one".