422232557 has 4 divisors (see below), whose sum is σ = 422544156. Its totient is φ = 421920960.

The previous prime is 422232541. The next prime is 422232563. The reversal of 422232557 is 755232224.

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 229189321 + 193043236 = 15139^2 + 13894^2 .

It is a cyclic number.

It is not a de Polignac number, because 422232557 - 2⁴ = 422232541 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 (422232157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153758 + ... + 156479.

It is an arithmetic number, because the mean of its divisors is an integer number (105636039).

Almost surely, 2^422232557 is an apocalyptic number.

It is an amenable number.

422232557 is a deficient number, since it is larger than the sum of its proper divisors (311599).

422232557 is a wasteful number, since it uses less digits than its factorization.

422232557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311598.

The product of its digits is 33600, while the sum is 32.

The square root of 422232557 is about 20548.2981533751. The cubic root of 422232557 is about 750.2118257971.

The spelling of 422232557 in words is "four hundred twenty-two million, two hundred thirty-two thousand, five hundred fifty-seven".