23221022 has 8 divisors (see below), whose sum is σ = 37998072. Its totient is φ = 10555000.

The previous prime is 23221019. The next prime is 23221063. The reversal of 23221022 is 22012232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23220988 and 23221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527729 + ... + 527772.

It is an arithmetic number, because the mean of its divisors is an integer number (4749759).

Almost surely, 2^23221022 is an apocalyptic number.

23221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23221022 is a deficient number, since it is larger than the sum of its proper divisors (14777050).

23221022 is a wasteful number, since it uses less digits than its factorization.

23221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055514.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23221022 is about 4818.8195649972. The cubic root of 23221022 is about 285.2947479025.

Adding to 23221022 its reverse (22012232), we get a palindrome (45233254).

It can be divided in two parts, 232210 and 22, that added together give a palindrome (232232).

The spelling of 23221022 in words is "twenty-three million, two hundred twenty-one thousand, twenty-two".