22223425 has 36 divisors (see below), whose sum is σ = 32833216. Its totient is φ = 14616000.

The previous prime is 22223419. The next prime is 22223429. The reversal of 22223425 is 52432222.

It is a happy number.

It is not a de Polignac number, because 22223425 - 2³ = 22223417 is a prime.

It is a Duffinian number.

Its product of digits (1920) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 22223396 and 22223405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147100 + ... + 147250.

Almost surely, 2^22223425 is an apocalyptic number.

22223425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22223425 is a deficient number, since it is larger than the sum of its proper divisors (10609791).

22223425 is a wasteful number, since it uses less digits than its factorization.

22223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 192 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 22223425 is about 4714.1727800326. The cubic root of 22223425 is about 281.1492939861.

Adding to 22223425 its reverse (52432222), we get a palindrome (74655647).

The spelling of 22223425 in words is "twenty-two million, two hundred twenty-three thousand, four hundred twenty-five".