225477369 has 12 divisors (see below), whose sum is σ = 350742756. Its totient is φ = 138755232.

The previous prime is 225477361. The next prime is 225477391. The reversal of 225477369 is 963774522.

225477369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24206400 + 201270969 = 4920^2 + 14187^2 .

It is not a de Polignac number, because 225477369 - 2³ = 225477361 is a prime.

It is a super-2 number, since 2×225477369² = 101680087862324322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225477361) 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, 963462 + ... + 963695.

It is an arithmetic number, because the mean of its divisors is an integer number (29228563).

Almost surely, 2^225477369 is an apocalyptic number.

It is an amenable number.

225477369 is a deficient number, since it is larger than the sum of its proper divisors (125265387).

225477369 is a wasteful number, since it uses less digits than its factorization.

225477369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927176 (or 1927173 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 225477369 is about 15015.9038688985. The cubic root of 225477369 is about 608.6500371484.

The spelling of 225477369 in words is "two hundred twenty-five million, four hundred seventy-seven thousand, three hundred sixty-nine".