380221500 has 48 divisors (see below), whose sum is σ = 1107209376. Its totient is φ = 101392000.

The previous prime is 380221463. The next prime is 380221511. The reversal of 380221500 is 5122083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125241 + ... + 128240.

It is an arithmetic number, because the mean of its divisors is an integer number (23066862).

Almost surely, 2^380221500 is an apocalyptic number.

380221500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380221500 is an abundant number, since it is smaller than the sum of its proper divisors (726987876).

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

380221500 is a wasteful number, since it uses less digits than its factorization.

380221500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253503 (or 253491 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 380221500 is about 19499.2692170758. The cubic root of 380221500 is about 724.4563502678.

Adding to 380221500 its reverse (5122083), we get a palindrome (385343583).

The spelling of 380221500 in words is "three hundred eighty million, two hundred twenty-one thousand, five hundred".