225423531004 has 48 divisors (see below), whose sum is σ = 456251056128. Its totient is φ = 95456812608.

The previous prime is 225423530993. The next prime is 225423531041. The reversal of 225423531004 is 400135324522.

It is a super-2 number, since 2×225423531004² (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 15 ways as a sum of consecutive naturals, for example, 1049242 + ... + 1245694.

It is an arithmetic number, because the mean of its divisors is an integer number (9505230336).

Almost surely, 2^225423531004 is an apocalyptic number.

It is an amenable number.

225423531004 is an abundant number, since it is smaller than the sum of its proper divisors (230827525124).

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

225423531004 is a wasteful number, since it uses less digits than its factorization.

225423531004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196954 (or 196952 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 225423531004 its reverse (400135324522), we get a palindrome (625558855526).

The spelling of 225423531004 in words is "two hundred twenty-five billion, four hundred twenty-three million, five hundred thirty-one thousand, four".