16022228 has 12 divisors (see below), whose sum is σ = 29688372. Its totient is φ = 7539840.

The previous prime is 16022219. The next prime is 16022243. The reversal of 16022228 is 82222061.

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 9560464 = 2542^2 + 3092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117743 + ... + 117878.

It is an arithmetic number, because the mean of its divisors is an integer number (2474031).

Almost surely, 2^16022228 is an apocalyptic number.

It is an amenable number.

16022228 is a deficient number, since it is larger than the sum of its proper divisors (13666144).

16022228 is a wasteful number, since it uses less digits than its factorization.

16022228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235642 (or 235640 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 16022228 is about 4002.7775356620. Note that the first 3 decimals coincide. The cubic root of 16022228 is about 252.1008456715.

Adding to 16022228 its reverse (82222061), we get a palindrome (98244289).

The spelling of 16022228 in words is "sixteen million, twenty-two thousand, two hundred twenty-eight".