22989242 has 4 divisors (see below), whose sum is σ = 34483866. Its totient is φ = 11494620.

The previous prime is 22989217. The next prime is 22989277. The reversal of 22989242 is 24298922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24298922 = 2 ⋅12149461.

It can be written as a sum of positive squares in only one way, i.e., 14280841 + 8708401 = 3779^2 + 2951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22989196 and 22989205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747309 + ... + 5747312.

Almost surely, 2^22989242 is an apocalyptic number.

22989242 is a deficient number, since it is larger than the sum of its proper divisors (11494624).

22989242 is a wasteful number, since it uses less digits than its factorization.

22989242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494623.

The product of its digits is 41472, while the sum is 38.

The square root of 22989242 is about 4794.7097930949. The cubic root of 22989242 is about 284.3423514746.

The spelling of 22989242 in words is "twenty-two million, nine hundred eighty-nine thousand, two hundred forty-two".