222263146 has 8 divisors (see below), whose sum is σ = 381022560. Its totient is φ = 95255628.

The previous prime is 222263137. The next prime is 222263147. The reversal of 222263146 is 641362222.

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

It is not an unprimeable number, because it can be changed into a prime (222263147) 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 3 ways as a sum of consecutive naturals, for example, 7937956 + ... + 7937983.

It is an arithmetic number, because the mean of its divisors is an integer number (47627820).

Almost surely, 2^222263146 is an apocalyptic number.

222263146 is a deficient number, since it is larger than the sum of its proper divisors (158759414).

222263146 is a wasteful number, since it uses less digits than its factorization.

222263146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875948.

The product of its digits is 6912, while the sum is 28.

The square root of 222263146 is about 14908.4924120449. The cubic root of 222263146 is about 605.7440437149.

It can be divided in two parts, 22226 and 3146, that multiplied together give a palindrome (69922996).

The spelling of 222263146 in words is "two hundred twenty-two million, two hundred sixty-three thousand, one hundred forty-six".