4220668534 has 4 divisors (see below), whose sum is σ = 6331002804. Its totient is φ = 2110334266.

The previous prime is 4220668519. The next prime is 4220668577. The reversal of 4220668534 is 4358660224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055167132 + ... + 1055167135.

It is an arithmetic number, because the mean of its divisors is an integer number (1582750701).

Almost surely, 2^4220668534 is an apocalyptic number.

4220668534 is a deficient number, since it is larger than the sum of its proper divisors (2110334270).

4220668534 is a wasteful number, since it uses less digits than its factorization.

4220668534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110334269.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 4220668534 is about 64966.6724867451. The cubic root of 4220668534 is about 1616.0709200303.

The spelling of 4220668534 in words is "four billion, two hundred twenty million, six hundred sixty-eight thousand, five hundred thirty-four".