23220822166630 has 32 divisors (see below), whose sum is σ = 45612925973280. Its totient is φ = 8441032523520.

The previous prime is 23220822166621. The next prime is 23220822166631. The reversal of 23220822166630 is 3666122802232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220822166631) 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, 35963679 + ... + 36603658.

It is an arithmetic number, because the mean of its divisors is an integer number (1425403936665).

Almost surely, 2^{23220822166630} is an apocalyptic number.

23220822166630 is a deficient number, since it is larger than the sum of its proper divisors (22392103806650).

23220822166630 is a wasteful number, since it uses less digits than its factorization.

23220822166630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72570264.

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 23220822166630 its reverse (3666122802232), we get a palindrome (26886944968862).

The spelling of 23220822166630 in words is "twenty-three trillion, two hundred twenty billion, eight hundred twenty-two million, one hundred sixty-six thousand, six hundred thirty".