4221555104 has 36 divisors (see below), whose sum is σ = 8999698806. Its totient is φ = 1948407552.

The previous prime is 4221555103. The next prime is 4221555113. The reversal of 4221555104 is 4015551224.

It can be written as a sum of positive squares in 3 ways, for example, as 710755600 + 3510799504 = 26660^2 + 59252^2 .

It is a super-2 number, since 2×4221555104² = 35643054992216901632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4221555101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384899 + ... + 395714.

Almost surely, 2^4221555104 is an apocalyptic number.

It is an amenable number.

4221555104 is an abundant number, since it is smaller than the sum of its proper divisors (4778143702).

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

4221555104 is a wasteful number, since it uses less digits than its factorization.

4221555104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780649 (or 780628 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4221555104 is about 64973.4953961998. The cubic root of 4221555104 is about 1616.1840663780.

The spelling of 4221555104 in words is "four billion, two hundred twenty-one million, five hundred fifty-five thousand, one hundred four".