1940379222 has 16 divisors (see below), whose sum is σ = 4049487360. Its totient is φ = 618671592.

The previous prime is 1940379191. The next prime is 1940379223. The reversal of 1940379222 is 2229730491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940379223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7030222 + ... + 7030497.

It is an arithmetic number, because the mean of its divisors is an integer number (253092960).

Almost surely, 2^1940379222 is an apocalyptic number.

1940379222 is an abundant number, since it is smaller than the sum of its proper divisors (2109108138).

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

1940379222 is a wasteful number, since it uses less digits than its factorization.

1940379222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14060747.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1940379222 is about 44049.7357767331. The cubic root of 1940379222 is about 1247.2749643549.

The spelling of 1940379222 in words is "one billion, nine hundred forty million, three hundred seventy-nine thousand, two hundred twenty-two".