1885222228 has 12 divisors (see below), whose sum is σ = 3300732820. Its totient is φ = 942155712.

The previous prime is 1885222181. The next prime is 1885222247. The reversal of 1885222228 is 8222225881.

It can be written as a sum of positive squares in 2 ways, for example, as 1032465424 + 852756804 = 32132^2 + 29202^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 104451 + ... + 121162.

Almost surely, 2^1885222228 is an apocalyptic number.

It is an amenable number.

1885222228 is a deficient number, since it is larger than the sum of its proper divisors (1415510592).

1885222228 is a wasteful number, since it uses less digits than its factorization.

1885222228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227706 (or 227704 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 1885222228 is about 43419.1458690749. The cubic root of 1885222228 is about 1235.3428821692.

The spelling of 1885222228 in words is "one billion, eight hundred eighty-five million, two hundred twenty-two thousand, two hundred twenty-eight".