22036783 has 4 divisors (see below), whose sum is σ = 22994928. Its totient is φ = 21078640.

The previous prime is 22036771. The next prime is 22036831. The reversal of 22036783 is 38763022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38763022 = 2 ⋅19381511.

It is a cyclic number.

It is not a de Polignac number, because 22036783 - 2⁹ = 22036271 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22036733) 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, 479038 + ... + 479083.

It is an arithmetic number, because the mean of its divisors is an integer number (5748732).

Almost surely, 2^22036783 is an apocalyptic number.

22036783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22036783 is a deficient number, since it is larger than the sum of its proper divisors (958145).

22036783 is an equidigital number, since it uses as much as digits as its factorization.

22036783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958144.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22036783 is about 4694.3352031997. The cubic root of 22036783 is about 280.3600088605.

The spelling of 22036783 in words is "twenty-two million, thirty-six thousand, seven hundred eighty-three".