1922402194 has 16 divisors (see below), whose sum is σ = 3151719936. Its totient is φ = 875476800.

The previous prime is 1922402191. The next prime is 1922402213. The reversal of 1922402194 is 4912042291.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1922402191) 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, 910902 + ... + 913009.

It is an arithmetic number, because the mean of its divisors is an integer number (196982496).

Almost surely, 2^1922402194 is an apocalyptic number.

1922402194 is a deficient number, since it is larger than the sum of its proper divisors (1229317742).

1922402194 is a wasteful number, since it uses less digits than its factorization.

1922402194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823961.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1922402194 is about 43845.2071953138. The cubic root of 1922402194 is about 1243.4111318627.

The spelling of 1922402194 in words is "one billion, nine hundred twenty-two million, four hundred two thousand, one hundred ninety-four".