22549983 has 16 divisors (see below), whose sum is σ = 31051776. Its totient is φ = 14545440.

The previous prime is 22549981. The next prime is 22549987. The reversal of 22549983 is 38994522.

It is not a de Polignac number, because 22549983 - 2¹ = 22549981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24298 + ... + 25208.

It is an arithmetic number, because the mean of its divisors is an integer number (1940736).

Almost surely, 2^22549983 is an apocalyptic number.

22549983 is a deficient number, since it is larger than the sum of its proper divisors (8501793).

22549983 is a wasteful number, since it uses less digits than its factorization.

22549983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its digits is 155520, while the sum is 42.

The square root of 22549983 is about 4748.6822382636. The cubic root of 22549983 is about 282.5197020744.

It can be divided in two parts, 22549 and 983, that added together give a palindrome (23532).

The spelling of 22549983 in words is "twenty-two million, five hundred forty-nine thousand, nine hundred eighty-three".