457222457 has 4 divisors (see below), whose sum is σ = 458532900. Its totient is φ = 455912016.

The previous prime is 457222417. The next prime is 457222477. The reversal of 457222457 is 754222754.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 406869241 + 50353216 = 20171^2 + 7096^2 .

It is a cyclic number.

It is not a de Polignac number, because 457222457 - 2²⁶ = 390113593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457222457.

It is not an unprimeable number, because it can be changed into a prime (457222417) 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 3 ways as a sum of consecutive naturals, for example, 654698 + ... + 655395.

It is an arithmetic number, because the mean of its divisors is an integer number (114633225).

Almost surely, 2^457222457 is an apocalyptic number.

It is an amenable number.

457222457 is a deficient number, since it is larger than the sum of its proper divisors (1310443).

457222457 is a wasteful number, since it uses less digits than its factorization.

457222457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310442.

The product of its digits is 156800, while the sum is 38.

The square root of 457222457 is about 21382.7607431781. The cubic root of 457222457 is about 770.3874235216.

The spelling of 457222457 in words is "four hundred fifty-seven million, two hundred twenty-two thousand, four hundred fifty-seven".