1522279716 has 48 divisors (see below), whose sum is σ = 3680691840. Its totient is φ = 489099520.

The previous prime is 1522279699. The next prime is 1522279751. The reversal of 1522279716 is 6179722251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221776 + ... + 228536.

It is an arithmetic number, because the mean of its divisors is an integer number (76681080).

Almost surely, 2^1522279716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522279716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840345920).

1522279716 is an abundant number, since it is smaller than the sum of its proper divisors (2158412124).

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

1522279716 is a wasteful number, since it uses less digits than its factorization.

1522279716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444 (or 7442 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 1522279716 is about 39016.4031658481. The cubic root of 1522279716 is about 1150.3539467538.

The spelling of 1522279716 in words is "one billion, five hundred twenty-two million, two hundred seventy-nine thousand, seven hundred sixteen".