16022772 has 60 divisors (see below), whose sum is σ = 44365860. Its totient is φ = 5025024.

The previous prime is 16022767. The next prime is 16022779. The reversal of 16022772 is 27722061.

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 2802276 = 3636^2 + 1674^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16022779) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4054 + ... + 6962.

It is an arithmetic number, because the mean of its divisors is an integer number (739431).

Almost surely, 2^16022772 is an apocalyptic number.

16022772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16022772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22182930).

16022772 is an abundant number, since it is smaller than the sum of its proper divisors (28343088).

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

16022772 is a wasteful number, since it uses less digits than its factorization.

16022772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 16022772 is about 4002.8454878998. The cubic root of 16022772 is about 252.1036988183.

The spelling of 16022772 in words is "sixteen million, twenty-two thousand, seven hundred seventy-two".