522697225 has 12 divisors (see below), whose sum is σ = 659131920. Its totient is φ = 411069200.

The previous prime is 522697223. The next prime is 522697271. The reversal of 522697225 is 522796225.

It is not a de Polignac number, because 522697225 - 2¹ = 522697223 is a prime.

It is a super-3 number, since 3×522697225³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (522697223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175711 + ... + 178660.

It is an arithmetic number, because the mean of its divisors is an integer number (54927660).

Almost surely, 2^522697225 is an apocalyptic number.

It is an amenable number.

522697225 is a deficient number, since it is larger than the sum of its proper divisors (136434695).

522697225 is a wasteful number, since it uses less digits than its factorization.

522697225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354440 (or 354435 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 522697225 is about 22862.5725805300. The cubic root of 522697225 is about 805.5331139386.

The spelling of 522697225 in words is "five hundred twenty-two million, six hundred ninety-seven thousand, two hundred twenty-five".