225142650 has 36 divisors (see below), whose sum is σ = 604884462. Its totient is φ = 60037920.

The previous prime is 225142613. The next prime is 225142651. The reversal of 225142650 is 56241522.

225142650 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 4 + 2 + 650 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 103856481 + 121286169 = 10191^2 + 11013^2 .

It is not an unprimeable number, because it can be changed into a prime (225142651) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 249709 + ... + 250608.

Almost surely, 2^225142650 is an apocalyptic number.

225142650 is an abundant number, since it is smaller than the sum of its proper divisors (379741812).

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

225142650 is a wasteful number, since it uses less digits than its factorization.

225142650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500335 (or 500327 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 225142650 is about 15004.7542465713. The cubic root of 225142650 is about 608.3487096049.

The spelling of 225142650 in words is "two hundred twenty-five million, one hundred forty-two thousand, six hundred fifty".