225302263994 has 16 divisors (see below), whose sum is σ = 349622156520. Its totient is φ = 108761882880.

The previous prime is 225302263993. The next prime is 225302263997. The reversal of 225302263994 is 499362203522.

It can be written as a sum of positive squares in 4 ways, for example, as 222968118025 + 2334145969 = 472195^2 + 48313^2 .

It is a super-2 number, since 2×225302263994² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225302263993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523222 + ... + 1664574.

Almost surely, 2^225302263994 is an apocalyptic number.

225302263994 is a deficient number, since it is larger than the sum of its proper divisors (124319892526).

225302263994 is a wasteful number, since it uses less digits than its factorization.

225302263994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168865.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 225302263994 in words is "two hundred twenty-five billion, three hundred two million, two hundred sixty-three thousand, nine hundred ninety-four".