22738773 has 4 divisors (see below), whose sum is σ = 30318368. Its totient is φ = 15159180.

The previous prime is 22738759. The next prime is 22738783. The reversal of 22738773 is 37783722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-22738773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22738733) 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, 3789793 + ... + 3789798.

It is an arithmetic number, because the mean of its divisors is an integer number (7579592).

Almost surely, 2^22738773 is an apocalyptic number.

It is an amenable number.

22738773 is a deficient number, since it is larger than the sum of its proper divisors (7579595).

22738773 is an equidigital number, since it uses as much as digits as its factorization.

22738773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579594.

The product of its digits is 98784, while the sum is 39.

The square root of 22738773 is about 4768.5189524631. The cubic root of 22738773 is about 283.3059367589.

The spelling of 22738773 in words is "twenty-two million, seven hundred thirty-eight thousand, seven hundred seventy-three".