22340722 has 4 divisors (see below), whose sum is σ = 33511086. Its totient is φ = 11170360.

The previous prime is 22340687. The next prime is 22340723. The reversal of 22340722 is 22704322.

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., 22005481 + 335241 = 4691^2 + 579^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22340693 and 22340702.

It is not an unprimeable number, because it can be changed into a prime (22340723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5585179 + ... + 5585182.

Almost surely, 2^22340722 is an apocalyptic number.

22340722 is a deficient number, since it is larger than the sum of its proper divisors (11170364).

22340722 is a wasteful number, since it uses less digits than its factorization.

22340722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11170363.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22340722 is about 4726.5972961529. The cubic root of 22340722 is about 281.6430690329.

The spelling of 22340722 in words is "twenty-two million, three hundred forty thousand, seven hundred twenty-two".