23221132022 has 24 divisors (see below), whose sum is σ = 38294452728. Its totient is φ = 10552752320.

The previous prime is 23221131893. The next prime is 23221132037. The reversal of 23221132022 is 22023112232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23221131985 and 23221132003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1623233 + ... + 1637475.

It is an arithmetic number, because the mean of its divisors is an integer number (1595602197).

Almost surely, 2^23221132022 is an apocalyptic number.

23221132022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23221132022 is a deficient number, since it is larger than the sum of its proper divisors (15073320706).

23221132022 is a wasteful number, since it uses less digits than its factorization.

23221132022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004 (or 20993 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23221132022 its reverse (22023112232), we get a palindrome (45244244254).

The spelling of 23221132022 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-two thousand, twenty-two".