225243455605 has 16 divisors (see below), whose sum is σ = 308928150144. Its totient is φ = 154441235520.

The previous prime is 225243455599. The next prime is 225243455609. The reversal of 225243455605 is 506554342522.

It is not a de Polignac number, because 225243455605 - 2⁹ = 225243455093 is a prime.

It is a super-2 number, since 2×225243455605² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225243455609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256710 + ... + 718600.

It is an arithmetic number, because the mean of its divisors is an integer number (19308009384).

Almost surely, 2^225243455605 is an apocalyptic number.

It is an amenable number.

225243455605 is a deficient number, since it is larger than the sum of its proper divisors (83684694539).

225243455605 is a wasteful number, since it uses less digits than its factorization.

225243455605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475836.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 225243455605 in words is "two hundred twenty-five billion, two hundred forty-three million, four hundred fifty-five thousand, six hundred five".