1352257722 has 96 divisors (see below), whose sum is σ = 3214493568. Its totient is φ = 409546368.

The previous prime is 1352257691. The next prime is 1352257763. The reversal of 1352257722 is 2277522531.

1352257722 is a `hidden beast` number, since 13 + 52 + 2 + 577 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657648 + ... + 659700.

It is an arithmetic number, because the mean of its divisors is an integer number (33484308).

Almost surely, 2^1352257722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352257722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607246784).

1352257722 is an abundant number, since it is smaller than the sum of its proper divisors (1862235846).

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

1352257722 is a wasteful number, since it uses less digits than its factorization.

1352257722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2161 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 1352257722 is about 36773.0570118939. The cubic root of 1352257722 is about 1105.8252189672.

The spelling of 1352257722 in words is "one billion, three hundred fifty-two million, two hundred fifty-seven thousand, seven hundred twenty-two".