22523042 has 8 divisors (see below), whose sum is σ = 33820956. Its totient is φ = 11249392.

The previous prime is 22523029. The next prime is 22523051. The reversal of 22523042 is 24032522.

It can be written as a sum of positive squares in 2 ways, for example, as 15452761 + 7070281 = 3931^2 + 2659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 7584.

Almost surely, 2^22523042 is an apocalyptic number.

22523042 is a deficient number, since it is larger than the sum of its proper divisors (11297914).

22523042 is a wasteful number, since it uses less digits than its factorization.

22523042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12132.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22523042 is about 4745.8447087953. The cubic root of 22523042 is about 282.4071462398.

Adding to 22523042 its reverse (24032522), we get a palindrome (46555564).

The spelling of 22523042 in words is "twenty-two million, five hundred twenty-three thousand, forty-two".