225812534 has 8 divisors (see below), whose sum is σ = 345925728. Its totient is φ = 110503960.

The previous prime is 225812527. The next prime is 225812567. The reversal of 225812534 is 435218522.

225812534 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225812534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201037 + ... + 1201224.

It is an arithmetic number, because the mean of its divisors is an integer number (43240716).

Almost surely, 2^225812534 is an apocalyptic number.

225812534 is a deficient number, since it is larger than the sum of its proper divisors (120113194).

225812534 is a wasteful number, since it uses less digits than its factorization.

225812534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402310.

The product of its digits is 19200, while the sum is 32.

The square root of 225812534 is about 15027.0600584412. The cubic root of 225812534 is about 608.9514675388.

The spelling of 225812534 in words is "two hundred twenty-five million, eight hundred twelve thousand, five hundred thirty-four".