16122388 has 24 divisors (see below), whose sum is σ = 29044008. Its totient is φ = 7827456.

The previous prime is 16122367. The next prime is 16122391. The reversal of 16122388 is 88322161.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 15984004 = 372^2 + 3998^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23620 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (1210167).

Almost surely, 2^16122388 is an apocalyptic number.

It is an amenable number.

16122388 is a deficient number, since it is larger than the sum of its proper divisors (12921620).

16122388 is a wasteful number, since it uses less digits than its factorization.

16122388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 841 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 16122388 is about 4015.2693558465. The cubic root of 16122388 is about 252.6250754387.

The spelling of 16122388 in words is "sixteen million, one hundred twenty-two thousand, three hundred eighty-eight".