1922708040 has 256 divisors, whose sum is σ = 6840115200. Its totient is φ = 427161600.

The previous prime is 1922708027. The next prime is 1922708089. The reversal of 1922708040 is 408072291.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1922707992 and 1922708010.

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 63 ways as a sum of consecutive naturals, for example, 776244 + ... + 778716.

It is an arithmetic number, because the mean of its divisors is an integer number (26719200).

Almost surely, 2^1922708040 is an apocalyptic number.

1922708040 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 1922708040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3420057600).

1922708040 is an abundant number, since it is smaller than the sum of its proper divisors (4917407160).

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

1922708040 is a wasteful number, since it uses less digits than its factorization.

1922708040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1922708040 is about 43848.6948494479. The cubic root of 1922708040 is about 1243.4770688375.

The spelling of 1922708040 in words is "one billion, nine hundred twenty-two million, seven hundred eight thousand, forty".