16155222 has 8 divisors (see below), whose sum is σ = 32310456. Its totient is φ = 5385072.

The previous prime is 16155221. The next prime is 16155239. The reversal of 16155222 is 22255161.

It is a happy number.

16155222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

16155222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16155192 and 16155201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346263 + ... + 1346274.

It is an arithmetic number, because the mean of its divisors is an integer number (4038807).

Almost surely, 2^16155222 is an apocalyptic number.

16155222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16155222 is a wasteful number, since it uses less digits than its factorization.

16155222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692542.

The product of its digits is 1200, while the sum is 24.

The square root of 16155222 is about 4019.3559185521. The cubic root of 16155222 is about 252.7964534266.

The spelling of 16155222 in words is "sixteen million, one hundred fifty-five thousand, two hundred twenty-two".