225873547 has 16 divisors (see below), whose sum is σ = 244722240. Its totient is φ = 207833472.

The previous prime is 225873517. The next prime is 225873559. The reversal of 225873547 is 745378522.

It is a cyclic number.

It is not a de Polignac number, because 225873547 - 2¹⁹ = 225349259 is a prime.

It is a super-2 number, since 2×225873547² = 102037718468722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225873517) 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, 264373 + ... + 265225.

It is an arithmetic number, because the mean of its divisors is an integer number (15295140).

Almost surely, 2^225873547 is an apocalyptic number.

225873547 is a deficient number, since it is larger than the sum of its proper divisors (18848693).

225873547 is a wasteful number, since it uses less digits than its factorization.

225873547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its digits is 470400, while the sum is 43.

The square root of 225873547 is about 15029.0900256802. The cubic root of 225873547 is about 609.0063074385.

The spelling of 225873547 in words is "two hundred twenty-five million, eight hundred seventy-three thousand, five hundred forty-seven".