422028757 has 16 divisors (see below), whose sum is σ = 454989312. Its totient is φ = 390019840.

The previous prime is 422028749. The next prime is 422028769. The reversal of 422028757 is 757820224.

It is a cyclic number.

It is not a de Polignac number, because 422028757 - 2³ = 422028749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422028157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382068 + ... + 383170.

It is an arithmetic number, because the mean of its divisors is an integer number (28436832).

Almost surely, 2^422028757 is an apocalyptic number.

It is an amenable number.

422028757 is a deficient number, since it is larger than the sum of its proper divisors (32960555).

422028757 is a wasteful number, since it uses less digits than its factorization.

422028757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 422028757 is about 20543.3385066790. The cubic root of 422028757 is about 750.0911041922.

The spelling of 422028757 in words is "four hundred twenty-two million, twenty-eight thousand, seven hundred fifty-seven".