1699922448 has 120 divisors (see below), whose sum is σ = 5612545536. Its totient is φ = 470016000.

The previous prime is 1699922437. The next prime is 1699922449. The reversal of 1699922448 is 8442299961.

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

It is a junction number, because it is equal to n+sod(n) for n = 1699922394 and 1699922403.

It is not an unprimeable number, because it can be changed into a prime (1699922449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4048 + ... + 58448.

Almost surely, 2^1699922448 is an apocalyptic number.

1699922448 is a gapful number since it is divisible by the number (18) 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 1699922448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806272768).

1699922448 is an abundant number, since it is smaller than the sum of its proper divisors (3912623088).

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

1699922448 is a wasteful number, since it uses less digits than its factorization.

1699922448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54453 (or 54444 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1699922448 is about 41230.1157893111. The cubic root of 1699922448 is about 1193.4650432183.

The spelling of 1699922448 in words is "one billion, six hundred ninety-nine million, nine hundred twenty-two thousand, four hundred forty-eight".