22074109 has 8 divisors (see below), whose sum is σ = 23458680. Its totient is φ = 20771008.

The previous prime is 22074103. The next prime is 22074119. The reversal of 22074109 is 90147022.

It can be written as a sum of positive squares in 4 ways, for example, as 11492100 + 10582009 = 3390^2 + 3253^2 .

It is not a de Polignac number, because 22074109 - 2⁷ = 22073981 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 (22074103) 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, 2667 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (2932335).

Almost surely, 2^22074109 is an apocalyptic number.

It is an amenable number.

22074109 is a deficient number, since it is larger than the sum of its proper divisors (1384571).

22074109 is an frugal number, since it uses more digits than its factorization.

22074109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22074109 is about 4698.3091639440. The cubic root of 22074109 is about 280.5182112449.

The spelling of 22074109 in words is "twenty-two million, seventy-four thousand, one hundred nine".