225229396 has 48 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 90459648.

The previous prime is 225229349. The next prime is 225229423. The reversal of 225229396 is 693922522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127165 + ... + 128923.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^225229396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225229396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239500800).

225229396 is an abundant number, since it is smaller than the sum of its proper divisors (253772204).

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

225229396 is a wasteful number, since it uses less digits than its factorization.

225229396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2054 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 225229396 is about 15007.6445853438. The cubic root of 225229396 is about 608.4268305074.

It can be divided in two parts, 225229 and 396, that added together give a square (225625 = 475²).

The spelling of 225229396 in words is "two hundred twenty-five million, two hundred twenty-nine thousand, three hundred ninety-six".