22080222 has 32 divisors (see below), whose sum is σ = 50268960. Its totient is φ = 7179840.

The previous prime is 22080217. The next prime is 22080257. The reversal of 22080222 is 22208022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22080195 and 22080204.

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, 2773 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (1570905).

Almost surely, 2^22080222 is an apocalyptic number.

22080222 is an abundant number, since it is smaller than the sum of its proper divisors (28188738).

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

22080222 is a wasteful number, since it uses less digits than its factorization.

22080222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025 (or 10019 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22080222 is about 4698.9596720976. The cubic root of 22080222 is about 280.5441035630.

Adding to 22080222 its reverse (22208022), we get a palindrome (44288244).

The spelling of 22080222 in words is "twenty-two million, eighty thousand, two hundred twenty-two".