22513973 has 8 divisors (see below), whose sum is σ = 22884480. Its totient is φ = 22145760.

The previous prime is 22513951. The next prime is 22514021. The reversal of 22513973 is 37931522.

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

It is a cyclic number.

It is not a de Polignac number, because 22513973 - 2¹⁰ = 22512949 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 (22513373) by changing a digit.

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, 40886 + ... + 41432.

It is an arithmetic number, because the mean of its divisors is an integer number (2860560).

Almost surely, 2^22513973 is an apocalyptic number.

It is an amenable number.

22513973 is a deficient number, since it is larger than the sum of its proper divisors (370507).

22513973 is an equidigital number, since it uses as much as digits as its factorization.

22513973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its digits is 11340, while the sum is 32.

The square root of 22513973 is about 4744.8891451750. The cubic root of 22513973 is about 282.3692369995.

The spelling of 22513973 in words is "twenty-two million, five hundred thirteen thousand, nine hundred seventy-three".