2222021131 has 24 divisors (see below), whose sum is σ = 2568972672. Its totient is φ = 1917801600.

The previous prime is 2222021059. The next prime is 2222021161. The reversal of 2222021131 is 1311202222.

It is a happy number.

It is not a de Polignac number, because 2222021131 - 2¹³ = 2222012939 is a prime.

It is a super-2 number, since 2×2222021131² = 9874755813221038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222021161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193215 + ... + 204391.

It is an arithmetic number, because the mean of its divisors is an integer number (107040528).

Almost surely, 2^2222021131 is an apocalyptic number.

2222021131 is a deficient number, since it is larger than the sum of its proper divisors (346951541).

2222021131 is a wasteful number, since it uses less digits than its factorization.

2222021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283 (or 11272 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2222021131 is about 47138.3191363460. The cubic root of 2222021131 is about 1304.9165169263.

Adding to 2222021131 its reverse (1311202222), we get a palindrome (3533223353).

The spelling of 2222021131 in words is "two billion, two hundred twenty-two million, twenty-one thousand, one hundred thirty-one".