2131022322 has 48 divisors (see below), whose sum is σ = 5424427008. Its totient is φ = 596089440.

The previous prime is 2131022317. The next prime is 2131022353. The reversal of 2131022322 is 2232201312.

It is a super-2 number, since 2×2131022322² = 9082512273724543368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2131022295 and 2131022304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411378 + ... + 416525.

It is an arithmetic number, because the mean of its divisors is an integer number (113008896).

Almost surely, 2^2131022322 is an apocalyptic number.

2131022322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2131022322 is an abundant number, since it is smaller than the sum of its proper divisors (3293404686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131022322 is a wasteful number, since it uses less digits than its factorization.

2131022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827935 (or 827932 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2131022322 is about 46162.9973246972. The cubic root of 2131022322 is about 1286.8541663300.

Adding to 2131022322 its reverse (2232201312), we get a palindrome (4363223634).

The spelling of 2131022322 in words is "two billion, one hundred thirty-one million, twenty-two thousand, three hundred twenty-two".