16307122 has 8 divisors (see below), whose sum is σ = 26342316. Its totient is φ = 7526352.

The previous prime is 16307113. The next prime is 16307129. The reversal of 16307122 is 22170361.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 3426201 = 3589^2 + 1851^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16307093 and 16307102.

It is not an unprimeable number, because it can be changed into a prime (16307129) 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, 313573 + ... + 313624.

Almost surely, 2^16307122 is an apocalyptic number.

16307122 is a deficient number, since it is larger than the sum of its proper divisors (10035194).

16307122 is a wasteful number, since it uses less digits than its factorization.

16307122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627212.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16307122 is about 4038.2077707815. The cubic root of 16307122 is about 253.5862920374.

Adding to 16307122 its reverse (22170361), we get a palindrome (38477483).

The spelling of 16307122 in words is "sixteen million, three hundred seven thousand, one hundred twenty-two".