22201022 has 12 divisors (see below), whose sum is σ = 34413408. Its totient is φ = 10741500.

The previous prime is 22201019. The next prime is 22201033. The reversal of 22201022 is 22010222.

It is a junction number, because it is equal to n+sod(n) for n = 22200994 and 22201012.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 3854 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (2867784).

Almost surely, 2^22201022 is an apocalyptic number.

22201022 is a deficient number, since it is larger than the sum of its proper divisors (12212386).

22201022 is a wasteful number, since it uses less digits than its factorization.

22201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615 (or 11584 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22201022 is about 4711.7960482177. The cubic root of 22201022 is about 281.0547885215.

Adding to 22201022 its reverse (22010222), we get a palindrome (44211244).

It can be divided in two parts, 2 and 2201022, that multiplied together give a palindrome (4402044).

The spelling of 22201022 in words is "twenty-two million, two hundred one thousand, twenty-two".