22861667 has 2 divisors, whose sum is σ = 22861668. Its totient is φ = 22861666.

The previous prime is 22861661. The next prime is 22861669. The reversal of 22861667 is 76616822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22861667 - 2¹⁴ = 22845283 is a prime.

Together with 22861669, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22861667.

It is not a weakly prime, because it can be changed into another prime (22861661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430833 + 11430834.

It is an arithmetic number, because the mean of its divisors is an integer number (11430834).

Almost surely, 2^22861667 is an apocalyptic number.

22861667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22861667 is an equidigital number, since it uses as much as digits as its factorization.

22861667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 22861667 is about 4781.3875601126. The cubic root of 22861667 is about 283.8154052362.

The spelling of 22861667 in words is "twenty-two million, eight hundred sixty-one thousand, six hundred sixty-seven".