22471679 has 2 divisors, whose sum is σ = 22471680. Its totient is φ = 22471678.

The previous prime is 22471643. The next prime is 22471697. The reversal of 22471679 is 97617422.

Together with next prime (22471697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22471679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22471619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11235839 + 11235840.

It is an arithmetic number, because the mean of its divisors is an integer number (11235840).

Almost surely, 2^22471679 is an apocalyptic number.

22471679 is a deficient number, since it is larger than the sum of its proper divisors (1).

22471679 is an equidigital number, since it uses as much as digits as its factorization.

22471679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 22471679 is about 4740.4302547343. The cubic root of 22471679 is about 282.1923096812.

The spelling of 22471679 in words is "twenty-two million, four hundred seventy-one thousand, six hundred seventy-nine".