22821934 has 16 divisors (see below), whose sum is σ = 35826048. Its totient is φ = 10882872.

The previous prime is 22821919. The next prime is 22821937. The reversal of 22821934 is 43912822.

It is a junction number, because it is equal to n+sod(n) for n = 22821896 and 22821905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22821937) 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 7 ways as a sum of consecutive naturals, for example, 24709 + ... + 25615.

It is an arithmetic number, because the mean of its divisors is an integer number (2239128).

Almost surely, 2^22821934 is an apocalyptic number.

22821934 is a deficient number, since it is larger than the sum of its proper divisors (13004114).

22821934 is a wasteful number, since it uses less digits than its factorization.

22821934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its digits is 6912, while the sum is 31.

The square root of 22821934 is about 4777.2307878100. The cubic root of 22821934 is about 283.6508885547.

The spelling of 22821934 in words is "twenty-two million, eight hundred twenty-one thousand, nine hundred thirty-four".