222001139 has 8 divisors (see below), whose sum is σ = 226920960. Its totient is φ = 217134216.

The previous prime is 222001121. The next prime is 222001141. The reversal of 222001139 is 931100222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222001139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222001139.

It is not an unprimeable number, because it can be changed into a prime (222001159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 21584.

It is an arithmetic number, because the mean of its divisors is an integer number (28365120).

Almost surely, 2^222001139 is an apocalyptic number.

222001139 is a deficient number, since it is larger than the sum of its proper divisors (4919821).

222001139 is a wasteful number, since it uses less digits than its factorization.

222001139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26449.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 222001139 is about 14899.7026480397. The cubic root of 222001139 is about 605.5059301900.

The spelling of 222001139 in words is "two hundred twenty-two million, one thousand, one hundred thirty-nine".