225344426 has 4 divisors (see below), whose sum is σ = 338016642. Its totient is φ = 112672212.

The previous prime is 225344417. The next prime is 225344429. The reversal of 225344426 is 624443522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 200194201 + 25150225 = 14149^2 + 5015^2 .

It is a super-2 number, since 2×225344426² = 101560220658538952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225344392 and 225344401.

It is not an unprimeable number, because it can be changed into a prime (225344429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56336105 + ... + 56336108.

Almost surely, 2^225344426 is an apocalyptic number.

225344426 is a deficient number, since it is larger than the sum of its proper divisors (112672216).

225344426 is a wasteful number, since it uses less digits than its factorization.

225344426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112672215.

The product of its digits is 46080, while the sum is 32.

The square root of 225344426 is about 15011.4764763497. The cubic root of 225344426 is about 608.5303922216.

Adding to 225344426 its reverse (624443522), we get a palindrome (849787948).

The spelling of 225344426 in words is "two hundred twenty-five million, three hundred forty-four thousand, four hundred twenty-six".