2111222322 has 48 divisors (see below), whose sum is σ = 5071996800. Its totient is φ = 629272800.

The previous prime is 2111222317. The next prime is 2111222329. The reversal of 2111222322 is 2232221112.

It is a super-2 number, since 2×2111222322² = 8914519385822143368, which contains 22 as substring.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 2111222295 and 2111222304.

It is not an unprimeable number, because it can be changed into a prime (2111222329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75322 + ... + 99477.

It is an arithmetic number, because the mean of its divisors is an integer number (105666600).

Almost surely, 2^2111222322 is an apocalyptic number.

2111222322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111222322 is an abundant number, since it is smaller than the sum of its proper divisors (2960774478).

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

2111222322 is a wasteful number, since it uses less digits than its factorization.

2111222322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174879 (or 174876 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2111222322 is about 45948.0393705760. The cubic root of 2111222322 is about 1282.8562360949.

Adding to 2111222322 its reverse (2232221112), we get a palindrome (4343443434).

It can be divided in two parts, 211122 and 2322, that added together give a square (213444 = 462²).

The spelling of 2111222322 in words is "two billion, one hundred eleven million, two hundred twenty-two thousand, three hundred twenty-two".