22672861 has 8 divisors (see below), whose sum is σ = 23093280. Its totient is φ = 22256112.

The previous prime is 22672843. The next prime is 22672879. The reversal of 22672861 is 16827622.

It is an interprime number because it is at equal distance from previous prime (22672843) and next prime (22672879).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22672861 - 2¹⁷ = 22541789 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 (22672831) 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 7 ways as a sum of consecutive naturals, for example, 13570 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (2886660).

Almost surely, 2^22672861 is an apocalyptic number.

It is an amenable number.

22672861 is a deficient number, since it is larger than the sum of its proper divisors (420419).

22672861 is a wasteful number, since it uses less digits than its factorization.

22672861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its digits is 16128, while the sum is 34.

The square root of 22672861 is about 4761.6027763769. The cubic root of 22672861 is about 283.0319358633.

The spelling of 22672861 in words is "twenty-two million, six hundred seventy-two thousand, eight hundred sixty-one".