457213622 has 8 divisors (see below), whose sum is σ = 686872656. Its totient is φ = 228256072.

The previous prime is 457213613. The next prime is 457213649. The reversal of 457213622 is 226312754.

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

It is a super-2 number, since 2×457213622² = 418088592284717768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 173738 + ... + 176349.

It is an arithmetic number, because the mean of its divisors is an integer number (85859082).

Almost surely, 2^457213622 is an apocalyptic number.

457213622 is a deficient number, since it is larger than the sum of its proper divisors (229659034).

457213622 is a wasteful number, since it uses less digits than its factorization.

457213622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350742.

The product of its digits is 20160, while the sum is 32.

The square root of 457213622 is about 21382.5541505219. The cubic root of 457213622 is about 770.3824613734.

The spelling of 457213622 in words is "four hundred fifty-seven million, two hundred thirteen thousand, six hundred twenty-two".