22821063 has 4 divisors (see below), whose sum is σ = 30428088. Its totient is φ = 15214040.

The previous prime is 22821031. The next prime is 22821077. The reversal of 22821063 is 36012822.

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 22821063 - 2⁵ = 22821031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22821163) 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 3 ways as a sum of consecutive naturals, for example, 3803508 + ... + 3803513.

It is an arithmetic number, because the mean of its divisors is an integer number (7607022).

Almost surely, 2^22821063 is an apocalyptic number.

22821063 is a deficient number, since it is larger than the sum of its proper divisors (7607025).

22821063 is an equidigital number, since it uses as much as digits as its factorization.

22821063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607024.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22821063 is about 4777.1396253407. The cubic root of 22821063 is about 283.6472799931.

Adding to 22821063 its reverse (36012822), we get a palindrome (58833885).

The spelling of 22821063 in words is "twenty-two million, eight hundred twenty-one thousand, sixty-three".