524222225 has 6 divisors (see below), whose sum is σ = 650035590. Its totient is φ = 419377760.

The previous prime is 524222207. The next prime is 524222263. The reversal of 524222225 is 522222425.

It can be written as a sum of positive squares in 3 ways, for example, as 6932689 + 517289536 = 2633^2 + 22744^2 .

It is not a de Polignac number, because 524222225 - 2²⁶ = 457113361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 524222194 and 524222203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10484420 + ... + 10484469.

It is an arithmetic number, because the mean of its divisors is an integer number (108339265).

Almost surely, 2^524222225 is an apocalyptic number.

It is an amenable number.

524222225 is a deficient number, since it is larger than the sum of its proper divisors (125813365).

524222225 is a wasteful number, since it uses less digits than its factorization.

524222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968899 (or 20968894 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 524222225 is about 22895.8997420936. The cubic root of 524222225 is about 806.3157501013.

The spelling of 524222225 in words is "five hundred twenty-four million, two hundred twenty-two thousand, two hundred twenty-five".