22023230213 has 4 divisors (see below), whose sum is σ = 22024884588. Its totient is φ = 22021575840.

The previous prime is 22023230183. The next prime is 22023230233. The reversal of 22023230213 is 31203232022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18483218209 + 3540012004 = 135953^2 + 59498^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023230213 - 2⁸ = 22023229957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023230233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807056 + ... + 833897.

It is an arithmetic number, because the mean of its divisors is an integer number (5506221147).

Almost surely, 2^22023230213 is an apocalyptic number.

It is an amenable number.

22023230213 is a deficient number, since it is larger than the sum of its proper divisors (1654375).

22023230213 is a wasteful number, since it uses less digits than its factorization.

22023230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654374.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22023230213 its reverse (31203232022), we get a palindrome (53226462235).

The spelling of 22023230213 in words is "twenty-two billion, twenty-three million, two hundred thirty thousand, two hundred thirteen".