22841722 has 4 divisors (see below), whose sum is σ = 34262586. Its totient is φ = 11420860.

The previous prime is 22841717. The next prime is 22841723. The reversal of 22841722 is 22714822.

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

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 8696601 = 3761^2 + 2949^2 .

It is not an unprimeable number, because it can be changed into a prime (22841723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710429 + ... + 5710432.

Almost surely, 2^22841722 is an apocalyptic number.

22841722 is a deficient number, since it is larger than the sum of its proper divisors (11420864).

22841722 is a wasteful number, since it uses less digits than its factorization.

22841722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11420863.

The product of its digits is 3584, while the sum is 28.

The square root of 22841722 is about 4779.3014133867. The cubic root of 22841722 is about 283.7328457094.

The spelling of 22841722 in words is "twenty-two million, eight hundred forty-one thousand, seven hundred twenty-two".