22261983 has 4 divisors (see below), whose sum is σ = 29682648. Its totient is φ = 14841320.

The previous prime is 22261969. The next prime is 22261991. The reversal of 22261983 is 38916222.

It is a happy number.

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 22261983 - 2⁵ = 22261951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261903) 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, 3710328 + ... + 3710333.

It is an arithmetic number, because the mean of its divisors is an integer number (7420662).

Almost surely, 2^22261983 is an apocalyptic number.

22261983 is a deficient number, since it is larger than the sum of its proper divisors (7420665).

22261983 is an equidigital number, since it uses as much as digits as its factorization.

22261983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420664.

The product of its digits is 10368, while the sum is 33.

The square root of 22261983 is about 4718.2605905143. The cubic root of 22261983 is about 281.3117995555.

The spelling of 22261983 in words is "twenty-two million, two hundred sixty-one thousand, nine hundred eighty-three".