225744486 has 16 divisors (see below), whose sum is σ = 492533568. Its totient is φ = 68407400.

The previous prime is 225744481. The next prime is 225744499. The reversal of 225744486 is 684447522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225744481) 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, 1710120 + ... + 1710251.

It is an arithmetic number, because the mean of its divisors is an integer number (30783348).

Almost surely, 2^225744486 is an apocalyptic number.

225744486 is an abundant number, since it is smaller than the sum of its proper divisors (266789082).

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

225744486 is a wasteful number, since it uses less digits than its factorization.

225744486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420387.

The product of its digits is 430080, while the sum is 42.

The square root of 225744486 is about 15024.7957057659. The cubic root of 225744486 is about 608.8902927643.

The spelling of 225744486 in words is "two hundred twenty-five million, seven hundred forty-four thousand, four hundred eighty-six".