426224457 has 24 divisors (see below), whose sum is σ = 637879200. Its totient is φ = 281268288.

The previous prime is 426224441. The next prime is 426224467. The reversal of 426224457 is 754422624.

426224457 is a `hidden beast` number, since 426 + 224 + 4 + 5 + 7 = 666.

It is not a de Polignac number, because 426224457 - 2⁴ = 426224441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426224467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264593 + ... + 1264929.

It is an arithmetic number, because the mean of its divisors is an integer number (26578300).

Almost surely, 2^426224457 is an apocalyptic number.

It is an amenable number.

426224457 is a deficient number, since it is larger than the sum of its proper divisors (211654743).

426224457 is an equidigital number, since it uses as much as digits as its factorization.

426224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 479 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 426224457 is about 20645.2042130854. The cubic root of 426224457 is about 752.5686486821.

The spelling of 426224457 in words is "four hundred twenty-six million, two hundred twenty-four thousand, four hundred fifty-seven".