16130722 has 8 divisors (see below), whose sum is σ = 25619436. Its totient is φ = 7590912.

The previous prime is 16130713. The next prime is 16130743. The reversal of 16130722 is 22703161.

It can be written as a sum of positive squares in 2 ways, for example, as 12524521 + 3606201 = 3539^2 + 1899^2 .

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 = 16130693 and 16130702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237183 + ... + 237250.

Almost surely, 2^16130722 is an apocalyptic number.

16130722 is a deficient number, since it is larger than the sum of its proper divisors (9488714).

16130722 is a wasteful number, since it uses less digits than its factorization.

16130722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474452.

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

The square root of 16130722 is about 4016.3070101774. The cubic root of 16130722 is about 252.6685970045.

Adding to 16130722 its reverse (22703161), we get a palindrome (38833883).

The spelling of 16130722 in words is "sixteen million, one hundred thirty thousand, seven hundred twenty-two".