22053911 has 4 divisors (see below), whose sum is σ = 24058824. Its totient is φ = 20049000.

The previous prime is 22053881. The next prime is 22053923. The reversal of 22053911 is 11935022.

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 22053911 - 2¹⁰ = 22052887 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 (22053971) 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, 1002440 + ... + 1002461.

It is an arithmetic number, because the mean of its divisors is an integer number (6014706).

Almost surely, 2^22053911 is an apocalyptic number.

22053911 is a deficient number, since it is larger than the sum of its proper divisors (2004913).

22053911 is a wasteful number, since it uses less digits than its factorization.

22053911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004912.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 22053911 is about 4696.1591753262. The cubic root of 22053911 is about 280.4326262756.

Adding to 22053911 its reverse (11935022), we get a palindrome (33988933).

It can be divided in two parts, 2205 and 3911, that added together give a palindrome (6116).

The spelling of 22053911 in words is "twenty-two million, fifty-three thousand, nine hundred eleven".