22430025 has 18 divisors (see below), whose sum is σ = 40175070. Its totient is φ = 11962560.

The previous prime is 22429999. The next prime is 22430041. The reversal of 22430025 is 52003422.

It can be written as a sum of positive squares in 3 ways, for example, as 751689 + 21678336 = 867^2 + 4656^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22430025 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49620 + ... + 50069.

Almost surely, 2^22430025 is an apocalyptic number.

22430025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22430025 is a deficient number, since it is larger than the sum of its proper divisors (17745045).

22430025 is a wasteful number, since it uses less digits than its factorization.

22430025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99705 (or 99697 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22430025 is about 4736.0347338253. The cubic root of 22430025 is about 282.0178425409.

Adding to 22430025 its reverse (52003422), we get a palindrome (74433447).

The spelling of 22430025 in words is "twenty-two million, four hundred thirty thousand, twenty-five".