1922424320 has 80 divisors (see below), whose sum is σ = 4627659168. Its totient is φ = 765911040.

The previous prime is 1922424299. The next prime is 1922424331. The reversal of 1922424320 is 234242291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1922424320² = 7391430532254924800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707765 + ... + 710475.

Almost surely, 2^1922424320 is an apocalyptic number.

1922424320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922424320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313829584).

1922424320 is an abundant number, since it is smaller than the sum of its proper divisors (2705234848).

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

1922424320 is an equidigital number, since it uses as much as digits as its factorization.

1922424320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1922424320 is about 43845.4595140706. The cubic root of 1922424320 is about 1243.4159022153.

The spelling of 1922424320 in words is "one billion, nine hundred twenty-two million, four hundred twenty-four thousand, three hundred twenty".