225312156404 has 12 divisors (see below), whose sum is σ = 394568024928. Its totient is φ = 112578435000.

The previous prime is 225312156359. The next prime is 225312156463. The reversal of 225312156404 is 404651213522.

It is a super-2 number, since 2×225312156404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19404272 + ... + 19415879.

It is an arithmetic number, because the mean of its divisors is an integer number (32880668744).

Almost surely, 2^225312156404 is an apocalyptic number.

It is an amenable number.

225312156404 is a deficient number, since it is larger than the sum of its proper divisors (169255868524).

225312156404 is a wasteful number, since it uses less digits than its factorization.

225312156404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821606 (or 38821604 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 225312156404 its reverse (404651213522), we get a palindrome (629963369926).

The spelling of 225312156404 in words is "two hundred twenty-five billion, three hundred twelve million, one hundred fifty-six thousand, four hundred four".