222256726 has 8 divisors (see below), whose sum is σ = 333514944. Its totient is φ = 111085080.

The previous prime is 222256721. The next prime is 222256729. The reversal of 222256726 is 627652222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222256691 and 222256700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222256721) 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, 14790 + ... + 25753.

It is an arithmetic number, because the mean of its divisors is an integer number (41689368).

Almost surely, 2^222256726 is an apocalyptic number.

222256726 is a deficient number, since it is larger than the sum of its proper divisors (111258218).

222256726 is a wasteful number, since it uses less digits than its factorization.

222256726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43286.

The product of its digits is 40320, while the sum is 34.

The square root of 222256726 is about 14908.2770969687. The cubic root of 222256726 is about 605.7382114176.

The spelling of 222256726 in words is "two hundred twenty-two million, two hundred fifty-six thousand, seven hundred twenty-six".