225251330 has 16 divisors (see below), whose sum is σ = 407942784. Its totient is φ = 89547120.

The previous prime is 225251297. The next prime is 225251353. The reversal of 225251330 is 33152522.

It is a junction number, because it is equal to n+sod(n) for n = 225251296 and 225251305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67466 + ... + 70725.

It is an arithmetic number, because the mean of its divisors is an integer number (25496424).

Almost surely, 2^225251330 is an apocalyptic number.

225251330 is a deficient number, since it is larger than the sum of its proper divisors (182691454).

225251330 is a wasteful number, since it uses less digits than its factorization.

225251330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138361.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225251330 is about 15008.3753284624. The cubic root of 225251330 is about 608.4465804471.

The spelling of 225251330 in words is "two hundred twenty-five million, two hundred fifty-one thousand, three hundred thirty".