16377222 has 32 divisors (see below), whose sum is σ = 34860672. Its totient is φ = 5111424.

The previous prime is 16377217. The next prime is 16377233. The reversal of 16377222 is 22277361.

It is a self number, because there is not a number n which added to its sum of digits gives 16377222.

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, 31053 + ... + 31575.

It is an arithmetic number, because the mean of its divisors is an integer number (1089396).

Almost surely, 2^16377222 is an apocalyptic number.

16377222 is an abundant number, since it is smaller than the sum of its proper divisors (18483450).

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

16377222 is a wasteful number, since it uses less digits than its factorization.

16377222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 7056, while the sum is 30.

The square root of 16377222 is about 4046.8780559834. The cubic root of 16377222 is about 253.9491393814.

The spelling of 16377222 in words is "sixteen million, three hundred seventy-seven thousand, two hundred twenty-two".