22053921 has 8 divisors (see below), whose sum is σ = 29844384. Its totient is φ = 14483040.

The previous prime is 22053881. The next prime is 22053923. The reversal of 22053921 is 12935022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22053921 - 2¹⁰ = 22052897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22053891 and 22053900.

It is not an unprimeable number, because it can be changed into a prime (22053923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54660 + ... + 55061.

It is an arithmetic number, because the mean of its divisors is an integer number (3730548).

Almost surely, 2^22053921 is an apocalyptic number.

It is an amenable number.

22053921 is a deficient number, since it is larger than the sum of its proper divisors (7790463).

22053921 is a wasteful number, since it uses less digits than its factorization.

22053921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109791.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22053921 is about 4696.1602400259. The cubic root of 22053921 is about 280.4326686615.

Adding to 22053921 its reverse (12935022), we get a palindrome (34988943).

The spelling of 22053921 in words is "twenty-two million, fifty-three thousand, nine hundred twenty-one".