22251433425 has 96 divisors (see below), whose sum is σ = 43050577920. Its totient is φ = 10042963200.

The previous prime is 22251433339. The next prime is 22251433427. The reversal of 22251433425 is 52433415222.

It is not a de Polignac number, because 22251433425 - 2²⁷ = 22117215697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22251433427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 554902 + ... + 593648.

It is an arithmetic number, because the mean of its divisors is an integer number (448443520).

Almost surely, 2^22251433425 is an apocalyptic number.

22251433425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22251433425 is a deficient number, since it is larger than the sum of its proper divisors (20799144495).

22251433425 is a wasteful number, since it uses less digits than its factorization.

22251433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38823 (or 38818 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

Adding to 22251433425 its reverse (52433415222), we get a palindrome (74684848647).

The spelling of 22251433425 in words is "twenty-two billion, two hundred fifty-one million, four hundred thirty-three thousand, four hundred twenty-five".