225623010464 has 24 divisors (see below), whose sum is σ = 470324438388. Its totient is φ = 106175534080.

The previous prime is 225623010383. The next prime is 225623010479. The reversal of 225623010464 is 464010326522.

It can be written as a sum of positive squares in 2 ways, for example, as 173465586064 + 52157424400 = 416492^2 + 228380^2 .

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, 207373547 + ... + 207374634.

Almost surely, 2^225623010464 is an apocalyptic number.

It is an amenable number.

225623010464 is an abundant number, since it is smaller than the sum of its proper divisors (244701427924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225623010464 is a wasteful number, since it uses less digits than its factorization.

225623010464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414748208 (or 414748200 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 225623010464 its reverse (464010326522), we get a palindrome (689633336986).

The spelling of 225623010464 in words is "two hundred twenty-five billion, six hundred twenty-three million, ten thousand, four hundred sixty-four".