5122239 has 4 divisors (see below), whose sum is σ = 6829656. Its totient is φ = 3414824.

The previous prime is 5122213. The next prime is 5122259. The reversal of 5122239 is 9322215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5122239 - 2⁷ = 5122111 is a prime.

It is a D-number.

5122239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853704 + ... + 853709.

It is an arithmetic number, because the mean of its divisors is an integer number (1707414).

Almost surely, 2^5122239 is an apocalyptic number.

5122239 is a deficient number, since it is larger than the sum of its proper divisors (1707417).

5122239 is a wasteful number, since it uses less digits than its factorization.

5122239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707416.

The product of its digits is 1080, while the sum is 24.

The square root of 5122239 is about 2263.2363994952. The cubic root of 5122239 is about 172.3798953916.

Subtracting from 5122239 its sum of digits (24), we obtain a palindrome (5122215).

The spelling of 5122239 in words is "five million, one hundred twenty-two thousand, two hundred thirty-nine".