22545080 has 64 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 8611840.

The previous prime is 22545079. The next prime is 22545097. The reversal of 22545080 is 8054522.

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, 96644 + ... + 96876.

Almost surely, 2^22545080 is an apocalyptic number.

22545080 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 22545080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535600).

22545080 is an abundant number, since it is smaller than the sum of its proper divisors (30526120).

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

22545080 is a wasteful number, since it uses less digits than its factorization.

22545080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22545080 is about 4748.1659617162. The cubic root of 22545080 is about 282.4992246827.

The spelling of 22545080 in words is "twenty-two million, five hundred forty-five thousand, eighty".