225012642 has 16 divisors (see below), whose sum is σ = 450243552. Its totient is φ = 74967840.

The previous prime is 225012587. The next prime is 225012643. The reversal of 225012642 is 246210522.

It is a happy number.

225012642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225012643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318 + ... + 22134.

It is an arithmetic number, because the mean of its divisors is an integer number (28140222).

Almost surely, 2^225012642 is an apocalyptic number.

225012642 is an abundant number, since it is smaller than the sum of its proper divisors (225230910).

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

225012642 is a wasteful number, since it uses less digits than its factorization.

225012642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18193.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 225012642 is about 15000.4213940809. The cubic root of 225012642 is about 608.2315906325.

The spelling of 225012642 in words is "two hundred twenty-five million, twelve thousand, six hundred forty-two".