226440425 has 12 divisors (see below), whose sum is σ = 297303516. Its totient is φ = 170496000.

The previous prime is 226440421. The next prime is 226440427. The reversal of 226440425 is 524044622.

It can be written as a sum of positive squares in 6 ways, for example, as 2399401 + 224041024 = 1549^2 + 14968^2 .

It is not a de Polignac number, because 226440425 - 2² = 226440421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226440421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265976 + ... + 266825.

It is an arithmetic number, because the mean of its divisors is an integer number (24775293).

Almost surely, 2^226440425 is an apocalyptic number.

226440425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226440425 is a deficient number, since it is larger than the sum of its proper divisors (70863091).

226440425 is a wasteful number, since it uses less digits than its factorization.

226440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532828 (or 532823 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 226440425 is about 15047.9375663245. The cubic root of 226440425 is about 609.5153590336.

The spelling of 226440425 in words is "two hundred twenty-six million, four hundred forty thousand, four hundred twenty-five".