1162322538 has 128 divisors (see below), whose sum is σ = 2743372800. Its totient is φ = 325082112.

The previous prime is 1162322531. The next prime is 1162322543. The reversal of 1162322538 is 8352232611.

It is a super-2 number, since 2×1162322538² = 2701987364685522888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1162322499 and 1162322508.

It is not an unprimeable number, because it can be changed into a prime (1162322531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6493333 + ... + 6493511.

It is an arithmetic number, because the mean of its divisors is an integer number (21432600).

Almost surely, 2^1162322538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162322538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371686400).

1162322538 is an abundant number, since it is smaller than the sum of its proper divisors (1581050262).

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

1162322538 is a wasteful number, since it uses less digits than its factorization.

1162322538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 17280, while the sum is 33.

The square root of 1162322538 is about 34092.8517141057. The cubic root of 1162322538 is about 1051.4183516928.

The spelling of 1162322538 in words is "one billion, one hundred sixty-two million, three hundred twenty-two thousand, five hundred thirty-eight".