225994989604 has 48 divisors (see below), whose sum is σ = 420683543280. Its totient is φ = 106026762240.

The previous prime is 225994989587. The next prime is 225994989707. The reversal of 225994989604 is 406989499522.

It can be written as a sum of positive squares in 8 ways, for example, as 43664281600 + 182330708004 = 208960^2 + 427002^2 .

It is a super-2 number, since 2×225994989604² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225994989604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3647524 + ... + 3708964.

It is an arithmetic number, because the mean of its divisors is an integer number (8764240485).

Almost surely, 2^225994989604 is an apocalyptic number.

It is an amenable number.

225994989604 is a deficient number, since it is larger than the sum of its proper divisors (194688553676).

225994989604 is a wasteful number, since it uses less digits than its factorization.

225994989604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62368 (or 62366 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 67.

The spelling of 225994989604 in words is "two hundred twenty-five billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, six hundred four".