1922953380 has 96 divisors (see below), whose sum is σ = 5442401664. Its totient is φ = 507285504.

The previous prime is 1922953369. The next prime is 1922953393. The reversal of 1922953380 is 833592291.

1922953380 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3452062 + ... + 3452618.

It is an arithmetic number, because the mean of its divisors is an integer number (56691684).

Almost surely, 2^1922953380 is an apocalyptic number.

1922953380 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 1922953380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721200832).

1922953380 is an abundant number, since it is smaller than the sum of its proper divisors (3519448284).

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

1922953380 is a wasteful number, since it uses less digits than its factorization.

1922953380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1922953380 is about 43851.4923349252. The cubic root of 1922953380 is about 1243.5299563418.

The spelling of 1922953380 in words is "one billion, nine hundred twenty-two million, nine hundred fifty-three thousand, three hundred eighty".