22435625 has 10 divisors (see below), whose sum is σ = 28036338. Its totient is φ = 17948000.

The previous prime is 22435619. The next prime is 22435627. The reversal of 22435625 is 52653422.

It can be written as a sum of positive squares in 5 ways, for example, as 6817321 + 15618304 = 2611^2 + 3952^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22435625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22435627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17324 + ... + 18573.

Almost surely, 2^22435625 is an apocalyptic number.

22435625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22435625 is a deficient number, since it is larger than the sum of its proper divisors (5600713).

22435625 is an frugal number, since it uses more digits than its factorization.

22435625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35917 (or 35902 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22435625 is about 4736.6259088089. The cubic root of 22435625 is about 282.0413106156.

The spelling of 22435625 in words is "twenty-two million, four hundred thirty-five thousand, six hundred twenty-five".