1822118222 has 8 divisors (see below), whose sum is σ = 2733360672. Its totient is φ = 910998000.

The previous prime is 1822118209. The next prime is 1822118239. The reversal of 1822118222 is 2228112281.

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

It is a super-2 number, since 2×1822118222² = 6640229629888882568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33947 + ... + 69257.

It is an arithmetic number, because the mean of its divisors is an integer number (341670084).

Almost surely, 2^1822118222 is an apocalyptic number.

1822118222 is a deficient number, since it is larger than the sum of its proper divisors (911242450).

1822118222 is a wasteful number, since it uses less digits than its factorization.

1822118222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61114.

The product of its digits is 2048, while the sum is 29.

The square root of 1822118222 is about 42686.2767408918. The cubic root of 1822118222 is about 1221.4026289246.

The spelling of 1822118222 in words is "one billion, eight hundred twenty-two million, one hundred eighteen thousand, two hundred twenty-two".