225302542 has 16 divisors (see below), whose sum is σ = 346302000. Its totient is φ = 109876032.

The previous prime is 225302531. The next prime is 225302569. The reversal of 225302542 is 245203522.

It is a happy number.

It is a super-2 number, since 2×225302542² = 101522470863323528, which contains 22 as substring.

It is a congruent number.

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, 80584 + ... + 83332.

It is an arithmetic number, because the mean of its divisors is an integer number (21643875).

Almost surely, 2^225302542 is an apocalyptic number.

225302542 is a deficient number, since it is larger than the sum of its proper divisors (120999458).

225302542 is a wasteful number, since it uses less digits than its factorization.

225302542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225302542 is about 15010.0813455491. The cubic root of 225302542 is about 608.4926880625.

The spelling of 225302542 in words is "two hundred twenty-five million, three hundred two thousand, five hundred forty-two".