225086642 has 16 divisors (see below), whose sum is σ = 372988800. Its totient is φ = 101016240.

The previous prime is 225086633. The next prime is 225086663. The reversal of 225086642 is 246680522.

225086642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 63017 + ... + 66492.

It is an arithmetic number, because the mean of its divisors is an integer number (23311800).

Almost surely, 2^225086642 is an apocalyptic number.

225086642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225086642 is a deficient number, since it is larger than the sum of its proper divisors (147902158).

225086642 is a wasteful number, since it uses less digits than its factorization.

225086642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129601.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 225086642 is about 15002.8877886892. The cubic root of 225086642 is about 608.2982597823.

The spelling of 225086642 in words is "two hundred twenty-five million, eighty-six thousand, six hundred forty-two".