222238297439 has 4 divisors (see below), whose sum is σ = 227658743760. Its totient is φ = 216817851120.

The previous prime is 222238297381. The next prime is 222238297451. The reversal of 222238297439 is 934792832222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222238297439 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 (222238207439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710223099 + ... + 2710223180.

It is an arithmetic number, because the mean of its divisors is an integer number (56914685940).

Almost surely, 2^222238297439 is an apocalyptic number.

222238297439 is a deficient number, since it is larger than the sum of its proper divisors (5420446321).

222238297439 is an equidigital number, since it uses as much as digits as its factorization.

222238297439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420446320.

The product of its digits is 5225472, while the sum is 53.

The spelling of 222238297439 in words is "two hundred twenty-two billion, two hundred thirty-eight million, two hundred ninety-seven thousand, four hundred thirty-nine".