457022238 has 16 divisors (see below), whose sum is σ = 962152320. Its totient is φ = 144322776.

The previous prime is 457022179. The next prime is 457022239. The reversal of 457022238 is 832220754.

It is a junction number, because it is equal to n+sod(n) for n = 457022199 and 457022208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457022239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004370 + ... + 2004597.

It is an arithmetic number, because the mean of its divisors is an integer number (60134520).

Almost surely, 2^457022238 is an apocalyptic number.

457022238 is an abundant number, since it is smaller than the sum of its proper divisors (505130082).

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

457022238 is a wasteful number, since it uses less digits than its factorization.

457022238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008991.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 457022238 is about 21378.0784449866. The cubic root of 457022238 is about 770.2749554967.

The spelling of 457022238 in words is "four hundred fifty-seven million, twenty-two thousand, two hundred thirty-eight".