22222982 has 4 divisors (see below), whose sum is σ = 33334476. Its totient is φ = 11111490.

The previous prime is 22222973. The next prime is 22222987. The reversal of 22222982 is 28922222.

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 (22222987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555744 + ... + 5555747.

It is an arithmetic number, because the mean of its divisors is an integer number (8333619).

Almost surely, 2^22222982 is an apocalyptic number.

22222982 is a deficient number, since it is larger than the sum of its proper divisors (11111494).

22222982 is a wasteful number, since it uses less digits than its factorization.

22222982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111493.

The product of its digits is 4608, while the sum is 29.

The square root of 22222982 is about 4714.1257938243. The cubic root of 22222982 is about 281.1474258377.

The spelling of 22222982 in words is "twenty-two million, two hundred twenty-two thousand, nine hundred eighty-two".