22423245 has 32 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 10846464.

The previous prime is 22423231. The next prime is 22423259. The reversal of 22423245 is 54232422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22423231) and next prime (22423259).

It is not a de Polignac number, because 22423245 - 2⁹ = 22422733 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10531 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^22423245 is an apocalyptic number.

It is an amenable number.

22423245 is a deficient number, since it is larger than the sum of its proper divisors (16888755).

22423245 is a wasteful number, since it uses less digits than its factorization.

22423245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029.

The product of its digits is 3840, while the sum is 24.

The square root of 22423245 is about 4735.3188910569. The cubic root of 22423245 is about 281.9894241796.

Adding to 22423245 its reverse (54232422), we get a palindrome (76655667).

The spelling of 22423245 in words is "twenty-two million, four hundred twenty-three thousand, two hundred forty-five".