225567890 has 8 divisors (see below), whose sum is σ = 406022220. Its totient is φ = 90227152.

The previous prime is 225567889. The next prime is 225567907. The reversal of 225567890 is 98765522.

225567890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209989081 + 15578809 = 14491^2 + 3947^2 .

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

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, 11278385 + ... + 11278404.

Almost surely, 2^225567890 is an apocalyptic number.

225567890 is a deficient number, since it is larger than the sum of its proper divisors (180454330).

225567890 is a wasteful number, since it uses less digits than its factorization.

225567890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22556796.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 225567890 is about 15018.9177373072. The cubic root of 225567890 is about 608.7314765687.

The spelling of 225567890 in words is "two hundred twenty-five million, five hundred sixty-seven thousand, eight hundred ninety".