225022750 has 16 divisors (see below), whose sum is σ = 421243056. Its totient is φ = 90009000.

The previous prime is 225022729. The next prime is 225022817. The reversal of 225022750 is 57220522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 449796 + ... + 450295.

It is an arithmetic number, because the mean of its divisors is an integer number (26327691).

Almost surely, 2^225022750 is an apocalyptic number.

225022750 is a deficient number, since it is larger than the sum of its proper divisors (196220306).

225022750 is an equidigital number, since it uses as much as digits as its factorization.

225022750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900108 (or 900098 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 225022750 is about 15000.7583141653. The cubic root of 225022750 is about 608.2406981399.

It can be divided in two parts, 22502 and 2750, that added together give a palindrome (25252).

The spelling of 225022750 in words is "two hundred twenty-five million, twenty-two thousand, seven hundred fifty".