22424859 has 24 divisors (see below), whose sum is σ = 33789600. Its totient is φ = 14313600.

The previous prime is 22424813. The next prime is 22424867. The reversal of 22424859 is 95842422.

It is not a de Polignac number, because 22424859 - 2⁸ = 22424603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22424879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39127 + ... + 39695.

It is an arithmetic number, because the mean of its divisors is an integer number (1407900).

Almost surely, 2^22424859 is an apocalyptic number.

22424859 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22424859 is a deficient number, since it is larger than the sum of its proper divisors (11364741).

22424859 is a wasteful number, since it uses less digits than its factorization.

22424859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22424859 is about 4735.4893094589. The cubic root of 22424859 is about 281.9961897780.

The spelling of 22424859 in words is "twenty-two million, four hundred twenty-four thousand, eight hundred fifty-nine".