22673021 has 4 divisors (see below), whose sum is σ = 25912032. Its totient is φ = 19434012.

The previous prime is 22672999. The next prime is 22673093. The reversal of 22673021 is 12037622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22673021 - 2¹⁴ = 22656637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22672021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619495 + ... + 1619508.

It is an arithmetic number, because the mean of its divisors is an integer number (6478008).

Almost surely, 2^22673021 is an apocalyptic number.

It is an amenable number.

22673021 is a deficient number, since it is larger than the sum of its proper divisors (3239011).

22673021 is an equidigital number, since it uses as much as digits as its factorization.

22673021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239010.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22673021 is about 4761.6195774127. The cubic root of 22673021 is about 283.0326016373.

The spelling of 22673021 in words is "twenty-two million, six hundred seventy-three thousand, twenty-one".