22313091 has 4 divisors (see below), whose sum is σ = 29750792. Its totient is φ = 14875392.

The previous prime is 22313069. The next prime is 22313111. The reversal of 22313091 is 19031322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22313091 - 2¹⁰ = 22312067 is a prime.

It is a super-3 number, since 3×22313091³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22313051) 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 3 ways as a sum of consecutive naturals, for example, 3718846 + ... + 3718851.

It is an arithmetic number, because the mean of its divisors is an integer number (7437698).

Almost surely, 2^22313091 is an apocalyptic number.

22313091 is a deficient number, since it is larger than the sum of its proper divisors (7437701).

22313091 is an equidigital number, since it uses as much as digits as its factorization.

22313091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7437700.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 22313091 is about 4723.6734645824. The cubic root of 22313091 is about 281.5269091025.

The spelling of 22313091 in words is "twenty-two million, three hundred thirteen thousand, ninety-one".