1922276664 has 576 divisors, whose sum is σ = 7277760000. Its totient is φ = 467026560.

The previous prime is 1922276623. The next prime is 1922276669. The reversal of 1922276664 is 4666722291.

1922276664 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922276669) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24332577 + ... + 24332655.

It is an arithmetic number, because the mean of its divisors is an integer number (12635000).

Almost surely, 2^1922276664 is an apocalyptic number.

1922276664 is a gapful number since it is divisible by the number (14) 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 1922276664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3638880000).

1922276664 is an abundant number, since it is smaller than the sum of its proper divisors (5355483336).

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

1922276664 is a wasteful number, since it uses less digits than its factorization.

1922276664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 121 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1922276664 is about 43843.7756585812. The cubic root of 1922276664 is about 1243.3840669752.

It can be divided in two parts, 192227 and 6664, that added together give a palindrome (198891).

The spelling of 1922276664 in words is "one billion, nine hundred twenty-two million, two hundred seventy-six thousand, six hundred sixty-four".