22211313 has 4 divisors (see below), whose sum is σ = 29615088. Its totient is φ = 14807540.

The previous prime is 22211279. The next prime is 22211327. The reversal of 22211313 is 31311222.

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 a cyclic number.

It is not a de Polignac number, because 22211313 - 2⁶ = 22211249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211292 and 22211301.

It is not an unprimeable number, because it can be changed into a prime (22211363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701883 + ... + 3701888.

It is an arithmetic number, because the mean of its divisors is an integer number (7403772).

Almost surely, 2^22211313 is an apocalyptic number.

It is an amenable number.

22211313 is a deficient number, since it is larger than the sum of its proper divisors (7403775).

22211313 is an equidigital number, since it uses as much as digits as its factorization.

22211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403774.

The product of its digits is 72, while the sum is 15.

The square root of 22211313 is about 4712.8879681147. The cubic root of 22211313 is about 281.0982082650.

Adding to 22211313 its reverse (31311222), we get a palindrome (53522535).

Subtracting 22211313 from its reverse (31311222), we obtain a palindrome (9099909).

The spelling of 22211313 in words is "twenty-two million, two hundred eleven thousand, three hundred thirteen".