22303211021 has 16 divisors (see below), whose sum is σ = 28643591424. Its totient is φ = 16879256064.

The previous prime is 22303211003. The next prime is 22303211069. The reversal of 22303211021 is 12011230322.

It is a cyclic number.

It is not a de Polignac number, because 22303211021 - 2⁶ = 22303210957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303211521) 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, 5325956 + ... + 5330141.

It is an arithmetic number, because the mean of its divisors is an integer number (1790224464).

Almost surely, 2^22303211021 is an apocalyptic number.

It is an amenable number.

22303211021 is a deficient number, since it is larger than the sum of its proper divisors (6340380403).

22303211021 is a wasteful number, since it uses less digits than its factorization.

22303211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656140.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22303211021 its reverse (12011230322), we get a palindrome (34314441343).

The spelling of 22303211021 in words is "twenty-two billion, three hundred three million, two hundred eleven thousand, twenty-one".