22299121 has 32 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 17909760.

The previous prime is 22299097. The next prime is 22299133. The reversal of 22299121 is 12199222.

It is a cyclic number.

It is not a de Polignac number, because 22299121 - 2⁷ = 22298993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22299121.

It is not an unprimeable number, because it can be changed into a prime (22299161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208350 + ... + 208456.

It is an arithmetic number, because the mean of its divisors is an integer number (857304).

Almost surely, 2^22299121 is an apocalyptic number.

It is an amenable number.

22299121 is a deficient number, since it is larger than the sum of its proper divisors (5134607).

22299121 is a wasteful number, since it uses less digits than its factorization.

22299121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its digits is 1296, while the sum is 28.

The square root of 22299121 is about 4722.1945110298. The cubic root of 22299121 is about 281.4681431222.

The spelling of 22299121 in words is "twenty-two million, two hundred ninety-nine thousand, one hundred twenty-one".