22809242 has 32 divisors (see below), whose sum is σ = 37092864. Its totient is φ = 10497600.

The previous prime is 22809233. The next prime is 22809271. The reversal of 22809242 is 24290822.

It is a super-2 number, since 2×22809242² = 1040523041229128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139853 + ... + 140015.

It is an arithmetic number, because the mean of its divisors is an integer number (1159152).

Almost surely, 2^22809242 is an apocalyptic number.

22809242 is a deficient number, since it is larger than the sum of its proper divisors (14283622).

22809242 is a wasteful number, since it uses less digits than its factorization.

22809242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22809242 is about 4775.9022184295. The cubic root of 22809242 is about 283.5982963911.

The spelling of 22809242 in words is "twenty-two million, eight hundred nine thousand, two hundred forty-two".