22171159 has 2 divisors, whose sum is σ = 22171160. Its totient is φ = 22171158.

The previous prime is 22171153. The next prime is 22171183. The reversal of 22171159 is 95117122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22171159 - 2⁷ = 22171031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22171153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11085579 + 11085580.

It is an arithmetic number, because the mean of its divisors is an integer number (11085580).

Almost surely, 2^22171159 is an apocalyptic number.

22171159 is a deficient number, since it is larger than the sum of its proper divisors (1).

22171159 is an equidigital number, since it uses as much as digits as its factorization.

22171159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 22171159 is about 4708.6260204013. The cubic root of 22171159 is about 280.9287146675.

The spelling of 22171159 in words is "twenty-two million, one hundred seventy-one thousand, one hundred fifty-nine".