6221851882 has 4 divisors (see below), whose sum is σ = 9332777826. Its totient is φ = 3110925940.

The previous prime is 6221851837. The next prime is 6221851919. The reversal of 6221851882 is 2881581226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4575034321 + 1646817561 = 67639^2 + 40581^2 .

It is a super-2 number, since 2×6221851882² = 77422881683093883848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555462969 + ... + 1555462972.

Almost surely, 2^6221851882 is an apocalyptic number.

6221851882 is a deficient number, since it is larger than the sum of its proper divisors (3110925944).

6221851882 is a wasteful number, since it uses less digits than its factorization.

6221851882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110925943.

The product of its digits is 122880, while the sum is 43.

The square root of 6221851882 is about 78878.7162801221. The cubic root of 6221851882 is about 1839.2462927946.

The spelling of 6221851882 in words is "six billion, two hundred twenty-one million, eight hundred fifty-one thousand, eight hundred eighty-two".