22961773 has 4 divisors (see below), whose sum is σ = 23395068. Its totient is φ = 22528480.

The previous prime is 22961767. The next prime is 22961779. The reversal of 22961773 is 37716922.

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

It is an interprime number because it is at equal distance from previous prime (22961767) and next prime (22961779).

It can be written as a sum of positive squares in 2 ways, for example, as 15194404 + 7767369 = 3898^2 + 2787^2 .

It is a cyclic number.

It is not a de Polignac number, because 22961773 - 2¹⁷ = 22830701 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 (22961779) 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, 216568 + ... + 216673.

It is an arithmetic number, because the mean of its divisors is an integer number (5848767).

Almost surely, 2^22961773 is an apocalyptic number.

It is an amenable number.

22961773 is a deficient number, since it is larger than the sum of its proper divisors (433295).

22961773 is an equidigital number, since it uses as much as digits as its factorization.

22961773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433294.

The product of its digits is 31752, while the sum is 37.

The square root of 22961773 is about 4791.8444256883. The cubic root of 22961773 is about 284.2290562648.

The spelling of 22961773 in words is "twenty-two million, nine hundred sixty-one thousand, seven hundred seventy-three".