22672847 has 4 divisors (see below), whose sum is σ = 23155296. Its totient is φ = 22190400.

The previous prime is 22672843. The next prime is 22672879. The reversal of 22672847 is 74827622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74827622 = 2 ⋅37413811.

It is a cyclic number.

It is not a de Polignac number, because 22672847 - 2² = 22672843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22672847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22672843) 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, 241154 + ... + 241247.

It is an arithmetic number, because the mean of its divisors is an integer number (5788824).

Almost surely, 2^22672847 is an apocalyptic number.

22672847 is a deficient number, since it is larger than the sum of its proper divisors (482449).

22672847 is an equidigital number, since it uses as much as digits as its factorization.

22672847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482448.

The product of its digits is 75264, while the sum is 38.

The square root of 22672847 is about 4761.6013062834. The cubic root of 22672847 is about 283.0318776079.

The spelling of 22672847 in words is "twenty-two million, six hundred seventy-two thousand, eight hundred forty-seven".