22221014 has 16 divisors (see below), whose sum is σ = 33864480. Its totient is φ = 10934400.

The previous prime is 22221007. The next prime is 22221029. The reversal of 22221014 is 41012222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221014.

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 7 ways as a sum of consecutive naturals, for example, 55214 + ... + 55614.

It is an arithmetic number, because the mean of its divisors is an integer number (2116530).

Almost surely, 2^22221014 is an apocalyptic number.

22221014 is a deficient number, since it is larger than the sum of its proper divisors (11643466).

22221014 is a wasteful number, since it uses less digits than its factorization.

22221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22221014 is about 4713.9170548494. The cubic root of 22221014 is about 281.1391264045.

Adding to 22221014 its reverse (41012222), we get a palindrome (63233236).

The spelling of 22221014 in words is "twenty-two million, two hundred twenty-one thousand, fourteen".