1922329772 has 24 divisors (see below), whose sum is σ = 3759415632. Its totient is φ = 852473600.

The previous prime is 1922329771. The next prime is 1922329789. The reversal of 1922329772 is 2779232291.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1922329771) 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, 530993 + ... + 534600.

It is an arithmetic number, because the mean of its divisors is an integer number (156642318).

Almost surely, 2^1922329772 is an apocalyptic number.

It is an amenable number.

1922329772 is a deficient number, since it is larger than the sum of its proper divisors (1837085860).

1922329772 is a wasteful number, since it uses less digits than its factorization.

1922329772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065649 (or 1065647 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 1922329772 is about 43844.3813047921. The cubic root of 1922329772 is about 1243.3955174659.

The spelling of 1922329772 in words is "one billion, nine hundred twenty-two million, three hundred twenty-nine thousand, seven hundred seventy-two".