16380222 has 16 divisors (see below), whose sum is σ = 32861712. Its totient is φ = 5443200.

The previous prime is 16380191. The next prime is 16380253. The reversal of 16380222 is 22208361.

It is an interprime number because it is at equal distance from previous prime (16380191) and next prime (16380253).

It is a junction number, because it is equal to n+sod(n) for n = 16380192 and 16380201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (2053857).

Almost surely, 2^16380222 is an apocalyptic number.

16380222 is an abundant number, since it is smaller than the sum of its proper divisors (16481490).

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

16380222 is a wasteful number, since it uses less digits than its factorization.

16380222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16380222 is about 4047.2486951014. The cubic root of 16380222 is about 253.9646446749.

Adding to 16380222 its reverse (22208361), we get a palindrome (38588583).

The spelling of 16380222 in words is "sixteen million, three hundred eighty thousand, two hundred twenty-two".