2242221131 has 4 divisors (see below), whose sum is σ = 2245183872. Its totient is φ = 2239258392.

The previous prime is 2242221089. The next prime is 2242221133. The reversal of 2242221131 is 1311222422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242221131 is a prime.

It is a super-2 number, since 2×2242221131² = 10055111200605838322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242221133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480235 + ... + 1481748.

It is an arithmetic number, because the mean of its divisors is an integer number (561295968).

Almost surely, 2^2242221131 is an apocalyptic number.

2242221131 is a deficient number, since it is larger than the sum of its proper divisors (2962741).

2242221131 is an equidigital number, since it uses as much as digits as its factorization.

2242221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962740.

The product of its digits is 384, while the sum is 20.

The square root of 2242221131 is about 47352.0974297866. The cubic root of 2242221131 is about 1308.8588494734.

Adding to 2242221131 its reverse (1311222422), we get a palindrome (3553443553).

The spelling of 2242221131 in words is "two billion, two hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-one".