4221623568 has 20 divisors (see below), whose sum is σ = 10905861008. Its totient is φ = 1407207840.

The previous prime is 4221623543. The next prime is 4221623579. The reversal of 4221623568 is 8653261224.

4221623568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43975198 + ... + 43975293.

Almost surely, 2^4221623568 is an apocalyptic number.

4221623568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4221623568 is an abundant number, since it is smaller than the sum of its proper divisors (6684237440).

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

4221623568 is a wasteful number, since it uses less digits than its factorization.

4221623568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87950502 (or 87950496 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 4221623568 is about 64974.0222550521. The cubic root of 4221623568 is about 1616.1928032711.

The spelling of 4221623568 in words is "four billion, two hundred twenty-one million, six hundred twenty-three thousand, five hundred sixty-eight".