1516422 has 8 divisors (see below), whose sum is σ = 3032856. Its totient is φ = 505472.

The previous prime is 1516421. The next prime is 1516433. The reversal of 1516422 is 2246151.

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

1516422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516421) 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, 126363 + ... + 126374.

It is an arithmetic number, because the mean of its divisors is an integer number (379107).

2^1516422 is an apocalyptic number.

1516422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1516422 is a wasteful number, since it uses less digits than its factorization.

1516422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252742.

The product of its digits is 480, while the sum is 21.

The square root of 1516422 is about 1231.4308750393. The cubic root of 1516422 is about 114.8876533562.

The spelling of 1516422 in words is "one million, five hundred sixteen thousand, four hundred twenty-two".