222626839 has 8 divisors (see below), whose sum is σ = 224039088. Its totient is φ = 221219520.

The previous prime is 222626797. The next prime is 222626861. The reversal of 222626839 is 938626222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222626839 - 2²³ = 214238231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222626869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128499 + ... + 130219.

It is an arithmetic number, because the mean of its divisors is an integer number (28004886).

Almost surely, 2^222626839 is an apocalyptic number.

222626839 is a deficient number, since it is larger than the sum of its proper divisors (1412249).

222626839 is a wasteful number, since it uses less digits than its factorization.

222626839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 124416, while the sum is 40.

The square root of 222626839 is about 14920.6849373613. The cubic root of 222626839 is about 606.0742601253.

The spelling of 222626839 in words is "two hundred twenty-two million, six hundred twenty-six thousand, eight hundred thirty-nine".