22672849 has 4 divisors (see below), whose sum is σ = 24006564. Its totient is φ = 21339136.

The previous prime is 22672843. The next prime is 22672879. The reversal of 22672849 is 94827622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 8179600 = 3807^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 22672849 - 2¹⁷ = 22541777 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (22672843) 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, 666832 + ... + 666865.

It is an arithmetic number, because the mean of its divisors is an integer number (6001641).

Almost surely, 2^22672849 is an apocalyptic number.

It is an amenable number.

22672849 is a deficient number, since it is larger than the sum of its proper divisors (1333715).

22672849 is a wasteful number, since it uses less digits than its factorization.

22672849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333714.

The product of its digits is 96768, while the sum is 40.

The square root of 22672849 is about 4761.6015162968. The cubic root of 22672849 is about 283.0318859301.

The spelling of 22672849 in words is "twenty-two million, six hundred seventy-two thousand, eight hundred forty-nine".