22421283 has 16 divisors (see below), whose sum is σ = 31894560. Its totient is φ = 13961216.

The previous prime is 22421281. The next prime is 22421291. The reversal of 22421283 is 38212422.

It is not a de Polignac number, because 22421283 - 2¹ = 22421281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22421281) 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 15 ways as a sum of consecutive naturals, for example, 5383 + ... + 8591.

It is an arithmetic number, because the mean of its divisors is an integer number (1993410).

Almost surely, 2^22421283 is an apocalyptic number.

22421283 is a deficient number, since it is larger than the sum of its proper divisors (9473277).

22421283 is a wasteful number, since it uses less digits than its factorization.

22421283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366.

The product of its digits is 1536, while the sum is 24.

The square root of 22421283 is about 4735.1117199069. Note that the first 3 decimals coincide. The cubic root of 22421283 is about 281.9811993904.

The spelling of 22421283 in words is "twenty-two million, four hundred twenty-one thousand, two hundred eighty-three".