22323425 has 24 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 17297280.

The previous prime is 22323421. The next prime is 22323437. The reversal of 22323425 is 52432322.

It is not a de Polignac number, because 22323425 - 2² = 22323421 is a prime.

It is a super-3 number, since 3×22323425³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22323425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175712 + ... + 175838.

It is an arithmetic number, because the mean of its divisors is an integer number (1190400).

Almost surely, 2^22323425 is an apocalyptic number.

22323425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22323425 is a deficient number, since it is larger than the sum of its proper divisors (6246175).

22323425 is a wasteful number, since it uses less digits than its factorization.

22323425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 22323425 is about 4724.7671900317. The cubic root of 22323425 is about 281.5703641615.

Adding to 22323425 its reverse (52432322), we get a palindrome (74755747).

The spelling of 22323425 in words is "twenty-two million, three hundred twenty-three thousand, four hundred twenty-five".