22275480 has 128 divisors (see below), whose sum is σ = 71409600. Its totient is φ = 5548032.

The previous prime is 22275437. The next prime is 22275493. The reversal of 22275480 is 8457222.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 128674 + ... + 128846.

Almost surely, 2^22275480 is an apocalyptic number.

22275480 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 22275480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35704800).

22275480 is an abundant number, since it is smaller than the sum of its proper divisors (49134120).

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

22275480 is a wasteful number, since it uses less digits than its factorization.

22275480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 22275480 is about 4719.6906678298. The cubic root of 22275480 is about 281.3686393302.

The spelling of 22275480 in words is "twenty-two million, two hundred seventy-five thousand, four hundred eighty".