22413225 has 24 divisors (see below), whose sum is σ = 39238560. Its totient is φ = 11249920.

The previous prime is 22413221. The next prime is 22413229. The reversal of 22413225 is 52231422.

It is an interprime number because it is at equal distance from previous prime (22413221) and next prime (22413229).

It is not a de Polignac number, because 22413225 - 2² = 22413221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22413221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7515 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (1634940).

Almost surely, 2^22413225 is an apocalyptic number.

22413225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22413225 is a deficient number, since it is larger than the sum of its proper divisors (16825335).

22413225 is a wasteful number, since it uses less digits than its factorization.

22413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609 (or 17604 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 22413225 is about 4734.2607659486. The cubic root of 22413225 is about 281.9474148718.

Adding to 22413225 its reverse (52231422), we get a palindrome (74644647).

The spelling of 22413225 in words is "twenty-two million, four hundred thirteen thousand, two hundred twenty-five".