1922822500 has 45 divisors (see below), whose sum is σ = 4209628269. Its totient is φ = 768252000.

The previous prime is 1922822479. The next prime is 1922822507. The reversal of 1922822500 is 52282291.

The square root of 1922822500 is 43850.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 782544676 + 1140277824 = 27974^2 + 33768^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922822507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2192062 + ... + 2192938.

Almost surely, 2^1922822500 is an apocalyptic number.

1922822500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1922822500 is the 43850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922822500

1922822500 is an abundant number, since it is smaller than the sum of its proper divisors (2286805769).

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

1922822500 is an frugal number, since it uses more digits than its factorization.

1922822500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The cubic root of 1922822500 is about 1243.5017433345.

The spelling of 1922822500 in words is "one billion, nine hundred twenty-two million, eight hundred twenty-two thousand, five hundred".