23221210022 has 4 divisors (see below), whose sum is σ = 34831815036. Its totient is φ = 11610605010.

The previous prime is 23221210007. The next prime is 23221210037. The reversal of 23221210022 is 22001212232.

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

It is an interprime number because it is at equal distance from previous prime (23221210007) and next prime (23221210037).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805302504 + ... + 5805302507.

It is an arithmetic number, because the mean of its divisors is an integer number (8707953759).

Almost surely, 2^23221210022 is an apocalyptic number.

23221210022 is a deficient number, since it is larger than the sum of its proper divisors (11610605014).

23221210022 is a wasteful number, since it uses less digits than its factorization.

23221210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610605013.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23221210022 its reverse (22001212232), we get a palindrome (45222422254).

The spelling of 23221210022 in words is "twenty-three billion, two hundred twenty-one million, two hundred ten thousand, twenty-two".