1850220222 has 8 divisors (see below), whose sum is σ = 3700440456. Its totient is φ = 616740072.

The previous prime is 1850220217. The next prime is 1850220233. The reversal of 1850220222 is 2220220581.

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

1850220222 is an admirable number.

It is a super-3 number, since 3×1850220222³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1850220192 and 1850220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154185013 + ... + 154185024.

It is an arithmetic number, because the mean of its divisors is an integer number (462555057).

Almost surely, 2^1850220222 is an apocalyptic number.

1850220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1850220222 is a wasteful number, since it uses less digits than its factorization.

1850220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308370042.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1850220222 is about 43014.1862877818. The cubic root of 1850220222 is about 1227.6497350258.

The spelling of 1850220222 in words is "one billion, eight hundred fifty million, two hundred twenty thousand, two hundred twenty-two".