105622321 has 8 divisors (see below), whose sum is σ = 124873920. Its totient is φ = 87411408.

The previous prime is 105622303. The next prime is 105622327. The reversal of 105622321 is 123226501.

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

It is not a de Polignac number, because 105622321 - 2⁷ = 105622193 is a prime.

It is a super-2 number, since 2×105622321² = 22312149386854082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105622292 and 105622301.

It is not an unprimeable number, because it can be changed into a prime (105622327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259951 + ... + 260356.

It is an arithmetic number, because the mean of its divisors is an integer number (15609240).

Almost surely, 2^105622321 is an apocalyptic number.

It is an amenable number.

105622321 is a deficient number, since it is larger than the sum of its proper divisors (19251599).

105622321 is an equidigital number, since it uses as much as digits as its factorization.

105622321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520343.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105622321 is about 10277.2720602308. The cubic root of 105622321 is about 472.6996008222.

Adding to 105622321 its reverse (123226501), we get a palindrome (228848822).

The spelling of 105622321 in words is "one hundred five million, six hundred twenty-two thousand, three hundred twenty-one".