22022109 has 24 divisors (see below), whose sum is σ = 33426432. Its totient is φ = 13944480.

The previous prime is 22022101. The next prime is 22022111. The reversal of 22022109 is 90122022.

It is not a de Polignac number, because 22022109 - 2³ = 22022101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022091 and 22022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39259 + ... + 39815.

It is an arithmetic number, because the mean of its divisors is an integer number (1392768).

Almost surely, 2^22022109 is an apocalyptic number.

It is an amenable number.

22022109 is a deficient number, since it is larger than the sum of its proper divisors (11404323).

22022109 is a wasteful number, since it uses less digits than its factorization.

22022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22022109 is about 4692.7719953136. The cubic root of 22022109 is about 280.2977657121.

The spelling of 22022109 in words is "twenty-two million, twenty-two thousand, one hundred nine".