22021102 has 4 divisors (see below), whose sum is σ = 33031656. Its totient is φ = 11010550.

The previous prime is 22021093. The next prime is 22021123. The reversal of 22021102 is 20112022.

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

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 as a sum of consecutive naturals, namely, 5505274 + ... + 5505277.

It is an arithmetic number, because the mean of its divisors is an integer number (8257914).

Almost surely, 2^22021102 is an apocalyptic number.

22021102 is a deficient number, since it is larger than the sum of its proper divisors (11010554).

22021102 is a wasteful number, since it uses less digits than its factorization.

22021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010553.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22021102 is about 4692.6647014250. The cubic root of 22021102 is about 280.2934932761.

Adding to 22021102 its reverse (20112022), we get a palindrome (42133124).

The spelling of 22021102 in words is "twenty-two million, twenty-one thousand, one hundred two".