22146673 has 4 divisors (see below), whose sum is σ = 22219120. Its totient is φ = 22074228.

The previous prime is 22146661. The next prime is 22146697. The reversal of 22146673 is 37664122.

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 22146673 - 2¹³ = 22138481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22146373) 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, 35763 + ... + 36376.

It is an arithmetic number, because the mean of its divisors is an integer number (5554780).

Almost surely, 2^22146673 is an apocalyptic number.

It is an amenable number.

22146673 is a deficient number, since it is larger than the sum of its proper divisors (72447).

22146673 is an equidigital number, since it uses as much as digits as its factorization.

22146673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72446.

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

The square root of 22146673 is about 4706.0251805531. The cubic root of 22146673 is about 280.8252566209.

The spelling of 22146673 in words is "twenty-two million, one hundred forty-six thousand, six hundred seventy-three".