225013623 has 16 divisors (see below), whose sum is σ = 315843840. Its totient is φ = 142212224.

The previous prime is 225013619. The next prime is 225013631. The reversal of 225013623 is 326310522.

It is a cyclic number.

It is not a de Polignac number, because 225013623 - 2² = 225013619 is a prime.

It is a super-2 number, since 2×225013623² = 101262261071172258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225013593 and 225013602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225013643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6633 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (19740240).

Almost surely, 2^225013623 is an apocalyptic number.

225013623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225013623 is a deficient number, since it is larger than the sum of its proper divisors (90830217).

225013623 is a wasteful number, since it uses less digits than its factorization.

225013623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28998.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 225013623 is about 15000.4540931266. The cubic root of 225013623 is about 608.2324745448.

The spelling of 225013623 in words is "two hundred twenty-five million, thirteen thousand, six hundred twenty-three".