225524516535 has 24 divisors (see below), whose sum is σ = 391542774480. Its totient is φ = 120084784512.

The previous prime is 225524516507. The next prime is 225524516537. The reversal of 225524516535 is 535615425522.

225524516535 is a `hidden beast` number, since 2 + 2 + 552 + 4 + 5 + 1 + 65 + 35 = 666.

It is not a de Polignac number, because 225524516535 - 2⁹ = 225524516023 is a prime.

It is a super-2 number, since 2×225524516535² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225524516537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4033545 + ... + 4089074.

It is an arithmetic number, because the mean of its divisors is an integer number (16314282270).

Almost surely, 2^225524516535 is an apocalyptic number.

225524516535 is a deficient number, since it is larger than the sum of its proper divisors (166018257945).

225524516535 is a wasteful number, since it uses less digits than its factorization.

225524516535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123247 (or 8123244 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The spelling of 225524516535 in words is "two hundred twenty-five billion, five hundred twenty-four million, five hundred sixteen thousand, five hundred thirty-five".