222082506 has 32 divisors (see below), whose sum is σ = 494282880. Its totient is φ = 73912608.

The previous prime is 222082489. The next prime is 222082529. The reversal of 222082506 is 605280222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 222082506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36430 + ... + 42086.

It is an arithmetic number, because the mean of its divisors is an integer number (15446340).

Almost surely, 2^222082506 is an apocalyptic number.

222082506 is an abundant number, since it is smaller than the sum of its proper divisors (272200374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222082506 is a wasteful number, since it uses less digits than its factorization.

222082506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 222082506 is about 14902.4328886259. The cubic root of 222082506 is about 605.5798970523.

The spelling of 222082506 in words is "two hundred twenty-two million, eighty-two thousand, five hundred six".