22943828 has 12 divisors (see below), whose sum is σ = 40225332. Its totient is φ = 11450880.

The previous prime is 22943819. The next prime is 22943831. The reversal of 22943828 is 82834922.

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 12264004 = 3268^2 + 3502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22943791 and 22943800.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2663 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (3352111).

Almost surely, 2^22943828 is an apocalyptic number.

It is an amenable number.

22943828 is a deficient number, since it is larger than the sum of its proper divisors (17281504).

22943828 is a wasteful number, since it uses less digits than its factorization.

22943828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522 (or 10520 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 22943828 is about 4789.9716074315. The cubic root of 22943828 is about 284.1549937538.

The spelling of 22943828 in words is "twenty-two million, nine hundred forty-three thousand, eight hundred twenty-eight".