22948280 has 64 divisors (see below), whose sum is σ = 54345600. Its totient is φ = 8709120.

The previous prime is 22948253. The next prime is 22948313. The reversal of 22948280 is 8284922.

It is a self number, because there is not a number n which added to its sum of digits gives 22948280.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 84545 + ... + 84815.

It is an arithmetic number, because the mean of its divisors is an integer number (849150).

Almost surely, 2^22948280 is an apocalyptic number.

22948280 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 22948280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27172800).

22948280 is an abundant number, since it is smaller than the sum of its proper divisors (31397320).

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

22948280 is a wasteful number, since it uses less digits than its factorization.

22948280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 22948280 is about 4790.4363058076. The cubic root of 22948280 is about 284.1733716260.

The spelling of 22948280 in words is "twenty-two million, nine hundred forty-eight thousand, two hundred eighty".