22839489 has 20 divisors (see below), whose sum is σ = 34248324. Its totient is φ = 15168384.

The previous prime is 22839469. The next prime is 22839491. The reversal of 22839489 is 98493822.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 13749264 = 3015^2 + 3708^2 .

It is not a de Polignac number, because 22839489 - 2¹³ = 22831297 is a prime.

It is a super-2 number, since 2×22839489² = 1043284515562242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22839409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36709 + ... + 37325.

Almost surely, 2^22839489 is an apocalyptic number.

It is an amenable number.

22839489 is a deficient number, since it is larger than the sum of its proper divisors (11408835).

22839489 is an equidigital number, since it uses as much as digits as its factorization.

22839489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1077 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 22839489 is about 4779.0677961293. The cubic root of 22839489 is about 283.7235995284.

The spelling of 22839489 in words is "twenty-two million, eight hundred thirty-nine thousand, four hundred eighty-nine".