22813045 has 8 divisors (see below), whose sum is σ = 27401400. Its totient is φ = 18233280.

The previous prime is 22813039. The next prime is 22813061. The reversal of 22813045 is 54031822.

It can be written as a sum of positive squares in 4 ways, for example, as 6507601 + 16305444 = 2551^2 + 4038^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-22813045 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 7 ways as a sum of consecutive naturals, for example, 8575 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (3425175).

Almost surely, 2^22813045 is an apocalyptic number.

It is an amenable number.

22813045 is a deficient number, since it is larger than the sum of its proper divisors (4588355).

22813045 is a wasteful number, since it uses less digits than its factorization.

22813045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22813045 is about 4776.3003465025. The cubic root of 22813045 is about 283.6140570257.

Adding to 22813045 its reverse (54031822), we get a palindrome (76844867).

The spelling of 22813045 in words is "twenty-two million, eight hundred thirteen thousand, forty-five".