2194523322 has 16 divisors (see below), whose sum is σ = 4540393440. Its totient is φ = 706283312.

The previous prime is 2194523281. The next prime is 2194523323. The reversal of 2194523322 is 2233254912.

It is a super-2 number, since 2×2194523322² = 9631865221603831368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2194523323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6305928 + ... + 6306275.

It is an arithmetic number, because the mean of its divisors is an integer number (283774590).

Almost surely, 2^2194523322 is an apocalyptic number.

2194523322 is an abundant number, since it is smaller than the sum of its proper divisors (2345870118).

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

2194523322 is a wasteful number, since it uses less digits than its factorization.

2194523322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612237.

The product of its digits is 25920, while the sum is 33.

The square root of 2194523322 is about 46845.7396355314. The cubic root of 2194523322 is about 1299.5113196773.

The spelling of 2194523322 in words is "two billion, one hundred ninety-four million, five hundred twenty-three thousand, three hundred twenty-two".