522233257 has 8 divisors (see below), whose sum is σ = 642748736. Its totient is φ = 413195472.

The previous prime is 522233227. The next prime is 522233267. The reversal of 522233257 is 752332225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 522233257 - 2¹⁵ = 522200489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522233227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869323 + ... + 2869504.

It is an arithmetic number, because the mean of its divisors is an integer number (80343592).

Almost surely, 2^522233257 is an apocalyptic number.

It is an amenable number.

522233257 is a deficient number, since it is larger than the sum of its proper divisors (120515479).

522233257 is a wasteful number, since it uses less digits than its factorization.

522233257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738847.

The product of its digits is 25200, while the sum is 31.

The square root of 522233257 is about 22852.4234382264. The cubic root of 522233257 is about 805.2947017136.

The spelling of 522233257 in words is "five hundred twenty-two million, two hundred thirty-three thousand, two hundred fifty-seven".