16222365 has 12 divisors (see below), whose sum is σ = 28118844. Its totient is φ = 8651904.

The previous prime is 16222321. The next prime is 16222373. The reversal of 16222365 is 56322261.

16222365 is a `hidden beast` number, since 1 + 622 + 2 + 36 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5391684 + 10830681 = 2322^2 + 3291^2 .

It is not a de Polignac number, because 16222365 - 2¹² = 16218269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180204 + ... + 180293.

It is an arithmetic number, because the mean of its divisors is an integer number (2343237).

Almost surely, 2^16222365 is an apocalyptic number.

16222365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16222365 is a deficient number, since it is larger than the sum of its proper divisors (11896479).

16222365 is a wasteful number, since it uses less digits than its factorization.

16222365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360508 (or 360505 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 16222365 is about 4027.6997157186. The cubic root of 16222365 is about 253.1461866125.

The spelling of 16222365 in words is "sixteen million, two hundred twenty-two thousand, three hundred sixty-five".