22966973 has 12 divisors (see below), whose sum is σ = 24186012. Its totient is φ = 21792960.

The previous prime is 22966969. The next prime is 22967033. The reversal of 22966973 is 37966922.

It can be written as a sum of positive squares in 2 ways, for example, as 18292729 + 4674244 = 4277^2 + 2162^2 .

It is not a de Polignac number, because 22966973 - 2² = 22966969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22966913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81593 + ... + 81873.

It is an arithmetic number, because the mean of its divisors is an integer number (2015501).

Almost surely, 2^22966973 is an apocalyptic number.

It is an amenable number.

22966973 is a deficient number, since it is larger than the sum of its proper divisors (1219039).

22966973 is an equidigital number, since it uses as much as digits as its factorization.

22966973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 365 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 22966973 is about 4792.3869835396. The cubic root of 22966973 is about 284.2505104667.

The spelling of 22966973 in words is "twenty-two million, nine hundred sixty-six thousand, nine hundred seventy-three".