4221437886 has 24 divisors (see below), whose sum is σ = 9175682880. Its totient is φ = 1402648416.

The previous prime is 4221437881. The next prime is 4221437893. The reversal of 4221437886 is 6887341224.

It is a happy number.

4221437886 is a `hidden beast` number, since 422 + 143 + 7 + 8 + 86 = 666.

It is a super-2 number, since 2×4221437886² = 35641075650712297992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221437881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369006 + ... + 380273.

It is an arithmetic number, because the mean of its divisors is an integer number (382320120).

Almost surely, 2^4221437886 is an apocalyptic number.

4221437886 is an abundant number, since it is smaller than the sum of its proper divisors (4954244994).

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

4221437886 is a wasteful number, since it uses less digits than its factorization.

4221437886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749600 (or 749597 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 4221437886 is about 64972.5933451944. The cubic root of 4221437886 is about 1616.1691076236.

The spelling of 4221437886 in words is "four billion, two hundred twenty-one million, four hundred thirty-seven thousand, eight hundred eighty-six".