22213011 has 4 divisors (see below), whose sum is σ = 29617352. Its totient is φ = 14808672.

The previous prime is 22213007. The next prime is 22213049. The reversal of 22213011 is 11031222.

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

It is not a de Polignac number, because 22213011 - 2² = 22213007 is a prime.

It is a super-2 number, since 2×22213011² = 986835715372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22213091) 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, 3702166 + ... + 3702171.

It is an arithmetic number, because the mean of its divisors is an integer number (7404338).

Almost surely, 2^22213011 is an apocalyptic number.

22213011 is a deficient number, since it is larger than the sum of its proper divisors (7404341).

22213011 is an equidigital number, since it uses as much as digits as its factorization.

22213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404340.

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

The square root of 22213011 is about 4713.0681089923. The cubic root of 22213011 is about 281.1053711703.

Adding to 22213011 its reverse (11031222), we get a palindrome (33244233).

The spelling of 22213011 in words is "twenty-two million, two hundred thirteen thousand, eleven".