22453839 has 18 divisors (see below), whose sum is σ = 34235136. Its totient is φ = 14179320.

The previous prime is 22453817. The next prime is 22453841. The reversal of 22453839 is 93835422.

It is not a de Polignac number, because 22453839 - 2²³ = 14065231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 207 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (1901952).

Almost surely, 2^22453839 is an apocalyptic number.

22453839 is a deficient number, since it is larger than the sum of its proper divisors (11781297).

22453839 is a wasteful number, since it uses less digits than its factorization.

22453839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955 (or 6933 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22453839 is about 4738.5481953864. The cubic root of 22453839 is about 282.1176135326.

It can be divided in two parts, 2245 and 3839, that added together give a square (6084 = 78²).

The spelling of 22453839 in words is "twenty-two million, four hundred fifty-three thousand, eight hundred thirty-nine".