1822002222 has 16 divisors (see below), whose sum is σ = 3687909120. Its totient is φ = 600016632.

The previous prime is 1822002199. The next prime is 1822002233. The reversal of 1822002222 is 2222002281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828822 + ... + 1829817.

It is an arithmetic number, because the mean of its divisors is an integer number (230494320).

Almost surely, 2^1822002222 is an apocalyptic number.

1822002222 is an abundant number, since it is smaller than the sum of its proper divisors (1865906898).

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

1822002222 is a wasteful number, since it uses less digits than its factorization.

1822002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658727.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1822002222 is about 42684.9179687627. The cubic root of 1822002222 is about 1221.3767093273.

The spelling of 1822002222 in words is "one billion, eight hundred twenty-two million, two thousand, two hundred twenty-two".