1799221248 has 520 divisors, whose sum is σ = 6422399280. Its totient is φ = 495452160.

The previous prime is 1799221243. The next prime is 1799221261. The reversal of 1799221248 is 8421229971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799221243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62042098 + ... + 62042126.

Almost surely, 2^1799221248 is an apocalyptic number.

1799221248 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 1799221248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3211199640).

1799221248 is an abundant number, since it is smaller than the sum of its proper divisors (4623178032).

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

1799221248 is a wasteful number, since it uses less digits than its factorization.

1799221248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 62 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1799221248 is about 42417.2281979858. The cubic root of 1799221248 is about 1216.2649468849.

The spelling of 1799221248 in words is "one billion, seven hundred ninety-nine million, two hundred twenty-one thousand, two hundred forty-eight".