214455442 has 16 divisors (see below), whose sum is σ = 346381920. Its totient is φ = 99208768.

The previous prime is 214455433. The next prime is 214455463. The reversal of 214455442 is 244554412.

It is a super-2 number, since 2×214455442² = 91982273206830728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51448 + ... + 55459.

It is an arithmetic number, because the mean of its divisors is an integer number (21648870).

Almost surely, 2^214455442 is an apocalyptic number.

214455442 is a deficient number, since it is larger than the sum of its proper divisors (131926478).

214455442 is a wasteful number, since it uses less digits than its factorization.

214455442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106985.

The product of its digits is 25600, while the sum is 31.

The square root of 214455442 is about 14644.2972518315. The cubic root of 214455442 is about 598.5664312326.

The spelling of 214455442 in words is "two hundred fourteen million, four hundred fifty-five thousand, four hundred forty-two".