425226404 has 6 divisors (see below), whose sum is σ = 744146214. Its totient is φ = 212613200.

The previous prime is 425226359. The next prime is 425226407. The reversal of 425226404 is 404622524.

It can be written as a sum of positive squares in only one way, i.e., 398082304 + 27144100 = 19952^2 + 5210^2 .

It is not an unprimeable number, because it can be changed into a prime (425226407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53153297 + ... + 53153304.

It is an arithmetic number, because the mean of its divisors is an integer number (124024369).

Almost surely, 2^425226404 is an apocalyptic number.

It is an amenable number.

425226404 is a deficient number, since it is larger than the sum of its proper divisors (318919810).

425226404 is a wasteful number, since it uses less digits than its factorization.

425226404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106306605 (or 106306603 counting only the distinct ones).

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

The square root of 425226404 is about 20621.0185005494. The cubic root of 425226404 is about 751.9807812540.

Adding to 425226404 its reverse (404622524), we get a palindrome (829848928).

The spelling of 425226404 in words is "four hundred twenty-five million, two hundred twenty-six thousand, four hundred four".