4221725162 has 4 divisors (see below), whose sum is σ = 6332587746. Its totient is φ = 2110862580.

The previous prime is 4221725153. The next prime is 4221725177. The reversal of 4221725162 is 2615271224.

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., 4218372601 + 3352561 = 64949^2 + 1831^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1055431289 + ... + 1055431292.

Almost surely, 2^4221725162 is an apocalyptic number.

4221725162 is a deficient number, since it is larger than the sum of its proper divisors (2110862584).

4221725162 is a wasteful number, since it uses less digits than its factorization.

4221725162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110862583.

The product of its digits is 13440, while the sum is 32.

The square root of 4221725162 is about 64974.8040551105. The cubic root of 4221725162 is about 1616.2057678073.

Adding to 4221725162 its reverse (2615271224), we get a palindrome (6836996386).

The spelling of 4221725162 in words is "four billion, two hundred twenty-one million, seven hundred twenty-five thousand, one hundred sixty-two".