22344425 has 6 divisors (see below), whose sum is σ = 27707118. Its totient is φ = 17875520.

The previous prime is 22344419. The next prime is 22344451. The reversal of 22344425 is 52444322.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 169744 + 22174681 = 412^2 + 4709^2 .

It is not a de Polignac number, because 22344425 - 2⁸ = 22344169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22344394 and 22344403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446864 + ... + 446913.

It is an arithmetic number, because the mean of its divisors is an integer number (4617853).

Almost surely, 2^22344425 is an apocalyptic number.

22344425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22344425 is a deficient number, since it is larger than the sum of its proper divisors (5362693).

22344425 is an equidigital number, since it uses as much as digits as its factorization.

22344425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893787 (or 893782 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 22344425 is about 4726.9889993525. The cubic root of 22344425 is about 281.6586290592.

Adding to 22344425 its reverse (52444322), we get a palindrome (74788747).

The spelling of 22344425 in words is "twenty-two million, three hundred forty-four thousand, four hundred twenty-five".