22032280 has 32 divisors (see below), whose sum is σ = 50318640. Its totient is φ = 8680320.

The previous prime is 22032271. The next prime is 22032287. The reversal of 22032280 is 8223022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1431 + ... + 6790.

Almost surely, 2^22032280 is an apocalyptic number.

22032280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22032280 is an abundant number, since it is smaller than the sum of its proper divisors (28286360).

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

22032280 is a wasteful number, since it uses less digits than its factorization.

22032280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22032280 is about 4693.8555580674. The cubic root of 22032280 is about 280.3409112889.

The spelling of 22032280 in words is "twenty-two million, thirty-two thousand, two hundred eighty".