22420159 has 2 divisors, whose sum is σ = 22420160. Its totient is φ = 22420158.

The previous prime is 22420141. The next prime is 22420163. The reversal of 22420159 is 95102422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22420159 - 2¹¹ = 22418111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210079 + 11210080.

It is an arithmetic number, because the mean of its divisors is an integer number (11210080).

Almost surely, 2^22420159 is an apocalyptic number.

22420159 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420159 is an equidigital number, since it uses as much as digits as its factorization.

22420159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22420159 is about 4734.9930306179. The cubic root of 22420159 is about 281.9764873175.

The spelling of 22420159 in words is "twenty-two million, four hundred twenty thousand, one hundred fifty-nine".