2162239 has 2 divisors, whose sum is σ = 2162240. Its totient is φ = 2162238.

The previous prime is 2162231. The next prime is 2162249. The reversal of 2162239 is 9322612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162239 - 2³ = 2162231 is a prime.

2162239 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081119 + 1081120.

It is an arithmetic number, because the mean of its divisors is an integer number (1081120).

2^2162239 is an apocalyptic number.

2162239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162239 is an equidigital number, since it uses as much as digits as its factorization.

2162239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 2162239 is about 1470.4553716451. The cubic root of 2162239 is about 129.3107306009.

It can be divided in two parts, 2162 and 239, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2162239 in words is "two million, one hundred sixty-two thousand, two hundred thirty-nine".