22999982 has 4 divisors (see below), whose sum is σ = 34499976. Its totient is φ = 11499990.

The previous prime is 22999979. The next prime is 22999993. The reversal of 22999982 is 28999922.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22999982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749994 + ... + 5749997.

It is an arithmetic number, because the mean of its divisors is an integer number (8624994).

Almost surely, 2^22999982 is an apocalyptic number.

22999982 is a deficient number, since it is larger than the sum of its proper divisors (11499994).

22999982 is a wasteful number, since it uses less digits than its factorization.

22999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499993.

The product of its digits is 419904, while the sum is 50.

The square root of 22999982 is about 4795.8296466826. The cubic root of 22999982 is about 284.3866237973.

Adding to 22999982 its sum of digits (50), we get a palindrome (23000032).

The spelling of 22999982 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred eighty-two".