22406791 has 8 divisors (see below), whose sum is σ = 24480000. Its totient is φ = 20339640.

The previous prime is 22406779. The next prime is 22406851. The reversal of 22406791 is 19760422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22406791 - 2⁵ = 22406759 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 (22406701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10210 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (3060000).

Almost surely, 2^22406791 is an apocalyptic number.

22406791 is a deficient number, since it is larger than the sum of its proper divisors (2073209).

22406791 is a wasteful number, since it uses less digits than its factorization.

22406791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 22406791 is about 4733.5812024301. The cubic root of 22406791 is about 281.9204334315.

The spelling of 22406791 in words is "twenty-two million, four hundred six thousand, seven hundred ninety-one".