1922215042 has 16 divisors (see below), whose sum is σ = 3197009664. Its totient is φ = 859410000.

The previous prime is 1922215027. The next prime is 1922215067. The reversal of 1922215042 is 2405122291.

It is a self number, because there is not a number n which added to its sum of digits gives 1922215042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714834 + ... + 717517.

It is an arithmetic number, because the mean of its divisors is an integer number (199813104).

Almost surely, 2^1922215042 is an apocalyptic number.

1922215042 is a deficient number, since it is larger than the sum of its proper divisors (1274794622).

1922215042 is a wasteful number, since it uses less digits than its factorization.

1922215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432425.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1922215042 is about 43843.0729078152. The cubic root of 1922215042 is about 1243.3707805368.

The spelling of 1922215042 in words is "one billion, nine hundred twenty-two million, two hundred fifteen thousand, forty-two".