1922409120 has 48 divisors (see below), whose sum is σ = 6055590240. Its totient is φ = 512642304.

The previous prime is 1922409089. The next prime is 1922409131. The reversal of 1922409120 is 219042291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2002030 + ... + 2002989.

It is an arithmetic number, because the mean of its divisors is an integer number (126158130).

Almost surely, 2^1922409120 is an apocalyptic number.

1922409120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1922409120 is an abundant number, since it is smaller than the sum of its proper divisors (4133181120).

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

1922409120 is a wasteful number, since it uses less digits than its factorization.

1922409120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005037 (or 4005029 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1922409120 is about 43845.2861776497. The cubic root of 1922409120 is about 1243.4126251081.

The spelling of 1922409120 in words is "one billion, nine hundred twenty-two million, four hundred nine thousand, one hundred twenty".