22710973 has 4 divisors (see below), whose sum is σ = 23494140. Its totient is φ = 21927808.

The previous prime is 22710907. The next prime is 22710979. The reversal of 22710973 is 37901722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18818244 + 3892729 = 4338^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 22710973 - 2⁹ = 22710461 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 (22710979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391540 + ... + 391597.

It is an arithmetic number, because the mean of its divisors is an integer number (5873535).

Almost surely, 2^22710973 is an apocalyptic number.

It is an amenable number.

22710973 is a deficient number, since it is larger than the sum of its proper divisors (783167).

22710973 is an equidigital number, since it uses as much as digits as its factorization.

22710973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783166.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 22710973 is about 4765.6031097858. The cubic root of 22710973 is about 283.1904348236.

The spelling of 22710973 in words is "twenty-two million, seven hundred ten thousand, nine hundred seventy-three".