22425315 has 16 divisors (see below), whose sum is σ = 39142656. Its totient is φ = 10872800.

The previous prime is 22425313. The next prime is 22425331. The reversal of 22425315 is 51352422.

It is not a de Polignac number, because 22425315 - 2¹ = 22425313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22425311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67791 + ... + 68120.

It is an arithmetic number, because the mean of its divisors is an integer number (2446416).

Almost surely, 2^22425315 is an apocalyptic number.

22425315 is a deficient number, since it is larger than the sum of its proper divisors (16717341).

22425315 is a wasteful number, since it uses less digits than its factorization.

22425315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135930.

The product of its digits is 2400, while the sum is 24.

The square root of 22425315 is about 4735.5374562979. The cubic root of 22425315 is about 281.9981011894.

Adding to 22425315 its reverse (51352422), we get a palindrome (73777737).

It can be divided in two parts, 2242 and 5315, that added together give a palindrome (7557).

The spelling of 22425315 in words is "twenty-two million, four hundred twenty-five thousand, three hundred fifteen".