1850222222 has 16 divisors (see below), whose sum is σ = 2884693392. Its totient is φ = 889260480.

The previous prime is 1850222221. The next prime is 1850222237. The reversal of 1850222222 is 2222220581.

1850222222 is a modest number, since divided by 22222 gives 18502 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1850222191 and 1850222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850222221) 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, 144479 + ... + 156762.

It is an arithmetic number, because the mean of its divisors is an integer number (180293337).

Almost surely, 2^1850222222 is an apocalyptic number.

1850222222 is a deficient number, since it is larger than the sum of its proper divisors (1034471170).

1850222222 is a wasteful number, since it uses less digits than its factorization.

1850222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301363.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1850222222 is about 43014.2095359196. The cubic root of 1850222222 is about 1227.6501773693.

The spelling of 1850222222 in words is "one billion, eight hundred fifty million, two hundred twenty-two thousand, two hundred twenty-two".