22213303021 has 16 divisors (see below), whose sum is σ = 27343149568. Its totient is φ = 17572982400.

The previous prime is 22213303019. The next prime is 22213303037. The reversal of 22213303021 is 12030331222.

It is a cyclic number.

It is not a de Polignac number, because 22213303021 - 2¹ = 22213303019 is a prime.

It is a super-2 number, since 2×22213303021² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22213303021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213303001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004716 + ... + 1026586.

It is an arithmetic number, because the mean of its divisors is an integer number (1708946848).

Almost surely, 2^22213303021 is an apocalyptic number.

It is an amenable number.

22213303021 is a deficient number, since it is larger than the sum of its proper divisors (5129846547).

22213303021 is a wasteful number, since it uses less digits than its factorization.

22213303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33052.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22213303021 its reverse (12030331222), we get a palindrome (34243634243).

The spelling of 22213303021 in words is "twenty-two billion, two hundred thirteen million, three hundred three thousand, twenty-one".