22423045 has 16 divisors (see below), whose sum is σ = 28472832. Its totient is φ = 16917120.

The previous prime is 22423043. The next prime is 22423057. The reversal of 22423045 is 54032422.

It is not a de Polignac number, because 22423045 - 2¹ = 22423043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423043) 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, 7060 + ... + 9730.

It is an arithmetic number, because the mean of its divisors is an integer number (1779552).

Almost surely, 2^22423045 is an apocalyptic number.

It is an amenable number.

22423045 is a deficient number, since it is larger than the sum of its proper divisors (6049787).

22423045 is a wasteful number, since it uses less digits than its factorization.

22423045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22423045 is about 4735.2977731078. The cubic root of 22423045 is about 281.9885857929.

Adding to 22423045 its reverse (54032422), we get a palindrome (76455467).

The spelling of 22423045 in words is "twenty-two million, four hundred twenty-three thousand, forty-five".