22443930 has 24 divisors (see below), whose sum is σ = 58354452. Its totient is φ = 5985024.

The previous prime is 22443919. The next prime is 22443943. The reversal of 22443930 is 3934422.

It is a happy number.

22443930 is a `hidden beast` number, since 224 + 439 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22439169 + 4761 = 4737^2 + 69^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22443894 and 22443903.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124599 + ... + 124778.

Almost surely, 2^22443930 is an apocalyptic number.

22443930 is an abundant number, since it is smaller than the sum of its proper divisors (35910522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22443930 is a wasteful number, since it uses less digits than its factorization.

22443930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249390 (or 249387 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22443930 is about 4737.5025065956. The cubic root of 22443930 is about 282.0761074193.

The spelling of 22443930 in words is "twenty-two million, four hundred forty-three thousand, nine hundred thirty".