22244939 has 8 divisors (see below), whose sum is σ = 22745088. Its totient is φ = 21750120.

The previous prime is 22244923. The next prime is 22244941. The reversal of 22244939 is 93944222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22244939 - 2⁴ = 22244923 is a prime.

It is a super-2 number, since 2×22244939² = 989674622227442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22244899 and 22244908.

It is not an unprimeable number, because it can be changed into a prime (22244539) 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, 7784 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (2843136).

Almost surely, 2^22244939 is an apocalyptic number.

22244939 is a deficient number, since it is larger than the sum of its proper divisors (500149).

22244939 is a wasteful number, since it uses less digits than its factorization.

22244939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its digits is 31104, while the sum is 35.

The square root of 22244939 is about 4716.4540705916. The cubic root of 22244939 is about 281.2399895038.

The spelling of 22244939 in words is "twenty-two million, two hundred forty-four thousand, nine hundred thirty-nine".