22766722 has 16 divisors (see below), whose sum is σ = 37425600. Its totient is φ = 10301040.

The previous prime is 22766719. The next prime is 22766747.

22766722 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (2339100).

Almost surely, 2^22766722 is an apocalyptic number.

22766722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22766722 is a deficient number, since it is larger than the sum of its proper divisors (14658878).

22766722 is a wasteful number, since it uses less digits than its factorization.

22766722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its digits is 28224, while the sum is 34.

The square root of 22766722 is about 4771.4486269895. The cubic root of 22766722 is about 283.4219628919.

It can be divided in two parts, 2276 and 6722, that added together give a palindrome (8998).

The spelling of 22766722 in words is "twenty-two million, seven hundred sixty-six thousand, seven hundred twenty-two".