1863822274 has 16 divisors (see below), whose sum is σ = 2854035000. Its totient is φ = 912545920.

The previous prime is 1863822263. The next prime is 1863822287. The reversal of 1863822274 is 4722283681.

It can be written as a sum of positive squares in 4 ways, for example, as 1831412025 + 32410249 = 42795^2 + 5693^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1863822274.

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, 38352 + ... + 72100.

Almost surely, 2^1863822274 is an apocalyptic number.

1863822274 is a deficient number, since it is larger than the sum of its proper divisors (990212726).

1863822274 is a wasteful number, since it uses less digits than its factorization.

1863822274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325.

The product of its digits is 258048, while the sum is 43.

The square root of 1863822274 is about 43172.0079912899. The cubic root of 1863822274 is about 1230.6507834708.

The spelling of 1863822274 in words is "one billion, eight hundred sixty-three million, eight hundred twenty-two thousand, two hundred seventy-four".