226131472 has 30 divisors (see below), whose sum is σ = 509662878. Its totient is φ = 96913152.

The previous prime is 226131463. The next prime is 226131491. The reversal of 226131472 is 274131622.

It can be written as a sum of positive squares in only one way, i.e., 226081296 + 50176 = 15036^2 + 224^2 .

It is a super-2 number, since 2×226131472² = 102270885257773568, which contains 22 as substring.

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 226131472.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143433 + ... + 145000.

Almost surely, 2^226131472 is an apocalyptic number.

It is an amenable number.

226131472 is an abundant number, since it is smaller than the sum of its proper divisors (283531406).

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

226131472 is a wasteful number, since it uses less digits than its factorization.

226131472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288455 (or 288442 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 226131472 is about 15037.6684362969. The cubic root of 226131472 is about 609.2380273584.

It can be divided in two parts, 2261 and 31472, that added together give a palindrome (33733).

The spelling of 226131472 in words is "two hundred twenty-six million, one hundred thirty-one thousand, four hundred seventy-two".