1516723422 has 16 divisors (see below), whose sum is σ = 3131300352. Its totient is φ = 489265560.

The previous prime is 1516723387. The next prime is 1516723423. The reversal of 1516723422 is 2243276151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516723423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077028 + ... + 4077399.

It is an arithmetic number, because the mean of its divisors is an integer number (195706272).

Almost surely, 2^1516723422 is an apocalyptic number.

1516723422 is an abundant number, since it is smaller than the sum of its proper divisors (1614576930).

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

1516723422 is a wasteful number, since it uses less digits than its factorization.

1516723422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154463.

The product of its digits is 20160, while the sum is 33.

The square root of 1516723422 is about 38945.1334828885. The cubic root of 1516723422 is about 1148.9526499555.

Adding to 1516723422 its reverse (2243276151), we get a palindrome (3759999573).

The spelling of 1516723422 in words is "one billion, five hundred sixteen million, seven hundred twenty-three thousand, four hundred twenty-two".