22322121 has 8 divisors (see below), whose sum is σ = 31056960. Its totient is φ = 14234352.

The previous prime is 22322101. The next prime is 22322129. The reversal of 22322121 is 12122322.

It is a happy number.

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

It is not a de Polignac number, because 22322121 - 2⁵ = 22322089 is a prime.

It is a super-3 number, since 3×22322121³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22322121.

It is not an unprimeable number, because it can be changed into a prime (22322129) 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 7 ways as a sum of consecutive naturals, for example, 161686 + ... + 161823.

It is an arithmetic number, because the mean of its divisors is an integer number (3882120).

Almost surely, 2^22322121 is an apocalyptic number.

It is an amenable number.

22322121 is a deficient number, since it is larger than the sum of its proper divisors (8734839).

22322121 is a wasteful number, since it uses less digits than its factorization.

22322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323535.

The product of its digits is 96, while the sum is 15.

The square root of 22322121 is about 4724.6291917991. The cubic root of 22322121 is about 281.5648815067.

Adding to 22322121 its reverse (12122322), we get a palindrome (34444443).

The spelling of 22322121 in words is "twenty-two million, three hundred twenty-two thousand, one hundred twenty-one".