225183651 has 16 divisors (see below), whose sum is σ = 374331648. Its totient is φ = 116978400.

The previous prime is 225183643. The next prime is 225183661. The reversal of 225183651 is 156381522.

225183651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225183651 - 2³ = 225183643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (225183601) 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, 487180 + ... + 487641.

It is an arithmetic number, because the mean of its divisors is an integer number (23395728).

Almost surely, 2^225183651 is an apocalyptic number.

225183651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225183651 is a deficient number, since it is larger than the sum of its proper divisors (149147997).

225183651 is a wasteful number, since it uses less digits than its factorization.

225183651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974842.

The product of its digits is 14400, while the sum is 33.

The square root of 225183651 is about 15006.1204513358. The cubic root of 225183651 is about 608.3856364029.

The spelling of 225183651 in words is "two hundred twenty-five million, one hundred eighty-three thousand, six hundred fifty-one".