22280190 has 16 divisors (see below), whose sum is σ = 53472528. Its totient is φ = 5941376.

The previous prime is 22280177. The next prime is 22280191. The reversal of 22280190 is 9108222.

It is a super-2 number, since 2×22280190² = 992813732872200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22280190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22280191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371307 + ... + 371366.

It is an arithmetic number, because the mean of its divisors is an integer number (3342033).

Almost surely, 2^22280190 is an apocalyptic number.

22280190 is an abundant number, since it is smaller than the sum of its proper divisors (31192338).

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

22280190 is a wasteful number, since it uses less digits than its factorization.

22280190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742683.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 22280190 is about 4720.1896148354. The cubic root of 22280190 is about 281.3884690996.

The spelling of 22280190 in words is "twenty-two million, two hundred eighty thousand, one hundred ninety".