3886221274 has 8 divisors (see below), whose sum is σ = 6277742100. Its totient is φ = 1793640576.

The previous prime is 3886221271. The next prime is 3886221293. The reversal of 3886221274 is 4721226883.

It can be written as a sum of positive squares in 2 ways, for example, as 2934930625 + 951290649 = 54175^2 + 30843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3886221274.

It is not an unprimeable number, because it can be changed into a prime (3886221271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74734999 + ... + 74735050.

Almost surely, 2^3886221274 is an apocalyptic number.

3886221274 is a deficient number, since it is larger than the sum of its proper divisors (2391520826).

3886221274 is a wasteful number, since it uses less digits than its factorization.

3886221274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149470064.

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

The square root of 3886221274 is about 62339.5642750252. The cubic root of 3886221274 is about 1572.2050066943.

The spelling of 3886221274 in words is "three billion, eight hundred eighty-six million, two hundred twenty-one thousand, two hundred seventy-four".