222282506 has 16 divisors (see below), whose sum is σ = 345508200. Its totient is φ = 107126208.

The previous prime is 222282499. The next prime is 222282509. The reversal of 222282506 is 605282222.

It can be written as a sum of positive squares in 4 ways, for example, as 117527281 + 104755225 = 10841^2 + 10235^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222282509) 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, 34940 + ... + 40808.

Almost surely, 2^222282506 is an apocalyptic number.

222282506 is a deficient number, since it is larger than the sum of its proper divisors (123225694).

222282506 is a wasteful number, since it uses less digits than its factorization.

222282506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 222282506 is about 14909.1416922638. The cubic root of 222282506 is about 605.7616307724.

The spelling of 222282506 in words is "two hundred twenty-two million, two hundred eighty-two thousand, five hundred six".