3871222950 has 144 divisors (see below), whose sum is σ = 11230062480. Its totient is φ = 879943680.

The previous prime is 3871222919. The next prime is 3871222951. The reversal of 3871222950 is 592221783.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3871222899 and 3871222908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871222951) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1417186 + ... + 1419914.

It is an arithmetic number, because the mean of its divisors is an integer number (77986545).

Almost surely, 2^3871222950 is an apocalyptic number.

3871222950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871222950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5615031240).

3871222950 is an abundant number, since it is smaller than the sum of its proper divisors (7358839530).

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

3871222950 is a wasteful number, since it uses less digits than its factorization.

3871222950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 3871222950 is about 62219.1525978938. The cubic root of 3871222950 is about 1570.1798311867.

The spelling of 3871222950 in words is "three billion, eight hundred seventy-one million, two hundred twenty-two thousand, nine hundred fifty".