22243959 has 6 divisors (see below), whose sum is σ = 32130176. Its totient is φ = 14829300.

The previous prime is 22243891. The next prime is 22243987. The reversal of 22243959 is 95934222.

It is not a de Polignac number, because 22243959 - 2⁹ = 22243447 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 (22242959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235767 + ... + 1235784.

Almost surely, 2^22243959 is an apocalyptic number.

22243959 is a deficient number, since it is larger than the sum of its proper divisors (9886217).

22243959 is a wasteful number, since it uses less digits than its factorization.

22243959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471557 (or 2471554 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 22243959 is about 4716.3501778388. The cubic root of 22243959 is about 281.2358594372.

The spelling of 22243959 in words is "twenty-two million, two hundred forty-three thousand, nine hundred fifty-nine".