225632937426 has 128 divisors (see below), whose sum is σ = 502831929600. Its totient is φ = 67048197120.

The previous prime is 225632937407. The next prime is 225632937433. The reversal of 225632937426 is 624739236522.

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 63 ways as a sum of consecutive naturals, for example, 395153721 + ... + 395154291.

It is an arithmetic number, because the mean of its divisors is an integer number (3928374450).

Almost surely, 2^225632937426 is an apocalyptic number.

225632937426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 225632937426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251415964800).

225632937426 is an abundant number, since it is smaller than the sum of its proper divisors (277198992174).

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

225632937426 is a wasteful number, since it uses less digits than its factorization.

225632937426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its digits is 6531840, while the sum is 51.

The spelling of 225632937426 in words is "two hundred twenty-five billion, six hundred thirty-two million, nine hundred thirty-seven thousand, four hundred twenty-six".