22789791 has 6 divisors (see below), whose sum is σ = 32918600. Its totient is φ = 15193188.

The previous prime is 22789787. The next prime is 22789801. The reversal of 22789791 is 19798722.

It is not a de Polignac number, because 22789791 - 2² = 22789787 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 (22789751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1266091 + ... + 1266108.

Almost surely, 2^22789791 is an apocalyptic number.

22789791 is a deficient number, since it is larger than the sum of its proper divisors (10128809).

22789791 is a wasteful number, since it uses less digits than its factorization.

22789791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532205 (or 2532202 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 22789791 is about 4773.8654149442. The cubic root of 22789791 is about 283.5176589133.

The spelling of 22789791 in words is "twenty-two million, seven hundred eighty-nine thousand, seven hundred ninety-one".