22832280 has 160 divisors (see below), whose sum is σ = 79714800. Its totient is φ = 5878656.

The previous prime is 22832237. The next prime is 22832291. The reversal of 22832280 is 8223822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 787306 + ... + 787334.

Almost surely, 2^22832280 is an apocalyptic number.

22832280 is a gapful number since it is divisible by the number (20) 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 22832280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39857400).

22832280 is an abundant number, since it is smaller than the sum of its proper divisors (56882520).

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

22832280 is an frugal number, since it uses more digits than its factorization.

22832280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22832280 is about 4778.3135100159. The cubic root of 22832280 is about 283.6937451146.

The spelling of 22832280 in words is "twenty-two million, eight hundred thirty-two thousand, two hundred eighty".