22140011 has 4 divisors (see below), whose sum is σ = 22503024. Its totient is φ = 21777000.

The previous prime is 22139993. The next prime is 22140029. The reversal of 22140011 is 11004122.

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

It is an interprime number because it is at equal distance from previous prime (22139993) and next prime (22140029).

It is a de Polignac number, because none of the positive numbers 2^k-22140011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22139974 and 22140001.

It is not an unprimeable number, because it can be changed into a prime (22140071) 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, 181415 + ... + 181536.

It is an arithmetic number, because the mean of its divisors is an integer number (5625756).

Almost surely, 2^22140011 is an apocalyptic number.

22140011 is a deficient number, since it is larger than the sum of its proper divisors (363013).

22140011 is an equidigital number, since it uses as much as digits as its factorization.

22140011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363012.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 22140011 is about 4705.3173112979. The cubic root of 22140011 is about 280.7970951978.

Adding to 22140011 its reverse (11004122), we get a palindrome (33144133).

The spelling of 22140011 in words is "twenty-two million, one hundred forty thousand, eleven".