222715839 has 16 divisors (see below), whose sum is σ = 309542528. Its totient is φ = 142303392.

The previous prime is 222715799. The next prime is 222715847. The reversal of 222715839 is 938517222.

It is not a de Polignac number, because 222715839 - 2⁸ = 222715583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222715797 and 222715806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222715849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (19346408).

Almost surely, 2^222715839 is an apocalyptic number.

222715839 is a deficient number, since it is larger than the sum of its proper divisors (86826689).

222715839 is a wasteful number, since it uses less digits than its factorization.

222715839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30054.

The product of its digits is 60480, while the sum is 39.

The square root of 222715839 is about 14923.6670761579. The cubic root of 222715839 is about 606.1550132262.

The spelling of 222715839 in words is "two hundred twenty-two million, seven hundred fifteen thousand, eight hundred thirty-nine".