3871222948 has 6 divisors (see below), whose sum is σ = 6774640166. Its totient is φ = 1935611472.

The previous prime is 3871222919. The next prime is 3871222951. The reversal of 3871222948 is 8492221783.

It can be written as a sum of positive squares in only one way, i.e., 3869835264 + 1387684 = 62208^2 + 1178^2 .

It is a super-2 number, since 2×3871222948² = 29972734226243621408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3871222898 and 3871222907.

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 as a sum of consecutive naturals, namely, 483902865 + ... + 483902872.

Almost surely, 2^3871222948 is an apocalyptic number.

It is an amenable number.

3871222948 is a deficient number, since it is larger than the sum of its proper divisors (2903417218).

3871222948 is a wasteful number, since it uses less digits than its factorization.

3871222948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967805741 (or 967805739 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 3871222948 is about 62219.1525818216. The cubic root of 3871222948 is about 1570.1798309163.

The spelling of 3871222948 in words is "three billion, eight hundred seventy-one million, two hundred twenty-two thousand, nine hundred forty-eight".