22399382 has 4 divisors (see below), whose sum is σ = 33599076. Its totient is φ = 11199690.

The previous prime is 22399381. The next prime is 22399427. The reversal of 22399382 is 28399322.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22399381) 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 as a sum of consecutive naturals, namely, 5599844 + ... + 5599847.

It is an arithmetic number, because the mean of its divisors is an integer number (8399769).

Almost surely, 2^22399382 is an apocalyptic number.

22399382 is a deficient number, since it is larger than the sum of its proper divisors (11199694).

22399382 is a wasteful number, since it uses less digits than its factorization.

22399382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199693.

The product of its digits is 46656, while the sum is 38.

The square root of 22399382 is about 4732.7985378632. The cubic root of 22399382 is about 281.8893568596.

The spelling of 22399382 in words is "twenty-two million, three hundred ninety-nine thousand, three hundred eighty-two".