42233257 has 16 divisors (see below), whose sum is σ = 48715200. Its totient is φ = 36210240.

The previous prime is 42233231. The next prime is 42233281. The reversal of 42233257 is 75233224.

It is not a de Polignac number, because 42233257 - 2²³ = 33844649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42233207) 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, 82719 + ... + 83227.

It is an arithmetic number, because the mean of its divisors is an integer number (3044700).

Almost surely, 2^42233257 is an apocalyptic number.

It is an amenable number.

42233257 is a deficient number, since it is larger than the sum of its proper divisors (6481943).

42233257 is a wasteful number, since it uses less digits than its factorization.

42233257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 10080, while the sum is 28.

The square root of 42233257 is about 6498.7119493020. The cubic root of 42233257 is about 348.2449749307.

The spelling of 42233257 in words is "forty-two million, two hundred thirty-three thousand, two hundred fifty-seven".