1940158222 has 4 divisors (see below), whose sum is σ = 2910237336. Its totient is φ = 970079110.

The previous prime is 1940158217. The next prime is 1940158223. The reversal of 1940158222 is 2228510491.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940158223) by changing a digit.

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 as a sum of consecutive naturals, namely, 485039554 + ... + 485039557.

It is an arithmetic number, because the mean of its divisors is an integer number (727559334).

Almost surely, 2^1940158222 is an apocalyptic number.

1940158222 is a deficient number, since it is larger than the sum of its proper divisors (970079114).

1940158222 is an equidigital number, since it uses as much as digits as its factorization.

1940158222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970079113.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1940158222 is about 44047.2271772015. The cubic root of 1940158222 is about 1247.2276096540.

The spelling of 1940158222 in words is "one billion, nine hundred forty million, one hundred fifty-eight thousand, two hundred twenty-two".