226431352 has 48 divisors (see below), whose sum is σ = 495558000. Its totient is φ = 96711552.

The previous prime is 226431349. The next prime is 226431427. The reversal of 226431352 is 253134622.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 226431352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139924 + ... + 141532.

It is an arithmetic number, because the mean of its divisors is an integer number (10324125).

Almost surely, 2^226431352 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 226431352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247779000).

226431352 is an abundant number, since it is smaller than the sum of its proper divisors (269126648).

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

226431352 is a wasteful number, since it uses less digits than its factorization.

226431352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1977 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 226431352 is about 15047.6360934201. The cubic root of 226431352 is about 609.5072182511.

Adding to 226431352 its reverse (253134622), we get a palindrome (479565974).

The spelling of 226431352 in words is "two hundred twenty-six million, four hundred thirty-one thousand, three hundred fifty-two".