225359946 has 24 divisors (see below), whose sum is σ = 558034464. Its totient is φ = 64388520.

The previous prime is 225359941. The next prime is 225359963. The reversal of 225359946 is 649953522.

225359946 is a `hidden beast` number, since 2 + 2 + 53 + 599 + 4 + 6 = 666.

It is a super-2 number, since 2×225359946² = 101574210522245832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225359941) 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, 894160 + ... + 894411.

It is an arithmetic number, because the mean of its divisors is an integer number (23251436).

Almost surely, 2^225359946 is an apocalyptic number.

225359946 is an abundant number, since it is smaller than the sum of its proper divisors (332674518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225359946 is a wasteful number, since it uses less digits than its factorization.

225359946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788586 (or 1788583 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 225359946 is about 15011.9934052743. The cubic root of 225359946 is about 608.5443622067.

The spelling of 225359946 in words is "two hundred twenty-five million, three hundred fifty-nine thousand, nine hundred forty-six".