11422213 has 4 divisors (see below), whose sum is σ = 12460608. Its totient is φ = 10383820.

The previous prime is 11422193. The next prime is 11422217. The reversal of 11422213 is 31222411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31222411 = 11 ⋅2838401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11422213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422217) 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, 519181 + ... + 519202.

It is an arithmetic number, because the mean of its divisors is an integer number (3115152).

Almost surely, 2^11422213 is an apocalyptic number.

It is an amenable number.

11422213 is a deficient number, since it is larger than the sum of its proper divisors (1038395).

11422213 is a wasteful number, since it uses less digits than its factorization.

11422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038394.

The product of its digits is 96, while the sum is 16.

The square root of 11422213 is about 3379.6764638054. The cubic root of 11422213 is about 225.2077948668.

Adding to 11422213 its reverse (31222411), we get a palindrome (42644624).

It can be divided in two parts, 11 and 422213, that added together give a palindrome (422224).

The spelling of 11422213 in words is "eleven million, four hundred twenty-two thousand, two hundred thirteen".