22310121 has 4 divisors (see below), whose sum is σ = 29746832. Its totient is φ = 14873412.

The previous prime is 22310107. The next prime is 22310131. The reversal of 22310121 is 12101322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22310121 - 2²³ = 13921513 is a prime.

It is a super-3 number, since 3×22310121³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22310097 and 22310106.

It is not an unprimeable number, because it can be changed into a prime (22310131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718351 + ... + 3718356.

It is an arithmetic number, because the mean of its divisors is an integer number (7436708).

Almost surely, 2^22310121 is an apocalyptic number.

It is an amenable number.

22310121 is a deficient number, since it is larger than the sum of its proper divisors (7436711).

22310121 is an equidigital number, since it uses as much as digits as its factorization.

22310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436710.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 22310121 is about 4723.3590801462. The cubic root of 22310121 is about 281.5144176011.

Adding to 22310121 its reverse (12101322), we get a palindrome (34411443).

The spelling of 22310121 in words is "twenty-two million, three hundred ten thousand, one hundred twenty-one".