2271221722 has 16 divisors (see below), whose sum is σ = 4247479872. Its totient is φ = 884891520.

The previous prime is 2271221717. The next prime is 2271221737.

2271221722 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2271221722² = 10316896220969290568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7373943 + ... + 7374250.

It is an arithmetic number, because the mean of its divisors is an integer number (265467492).

Almost surely, 2^2271221722 is an apocalyptic number.

2271221722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2271221722 is a deficient number, since it is larger than the sum of its proper divisors (1976258150).

2271221722 is a wasteful number, since it uses less digits than its factorization.

2271221722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748213.

The product of its digits is 3136, while the sum is 28.

The square root of 2271221722 is about 47657.3364971229. The cubic root of 2271221722 is about 1314.4775637247.

The spelling of 2271221722 in words is "two billion, two hundred seventy-one million, two hundred twenty-one thousand, seven hundred twenty-two".