22113011 has 4 divisors (see below), whose sum is σ = 22218024. Its totient is φ = 22008000.

The previous prime is 22112999. The next prime is 22113043. The reversal of 22113011 is 11031122.

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

It is a cyclic number.

It is not a de Polignac number, because 22113011 - 2¹⁸ = 21850867 is a prime.

It is a super-2 number, since 2×22113011² = 977970510972242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112983 and 22113001.

It is not an unprimeable number, because it can be changed into a prime (22113061) 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, 52190 + ... + 52611.

It is an arithmetic number, because the mean of its divisors is an integer number (5554506).

Almost surely, 2^22113011 is an apocalyptic number.

22113011 is a deficient number, since it is larger than the sum of its proper divisors (105013).

22113011 is a wasteful number, since it uses less digits than its factorization.

22113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105012.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 22113011 is about 4702.4473415446. The cubic root of 22113011 is about 280.6829036620.

Adding to 22113011 its reverse (11031122), we get a palindrome (33144133).

The spelling of 22113011 in words is "twenty-two million, one hundred thirteen thousand, eleven".