718411122 has 72 divisors (see below), whose sum is σ = 1842609132. Its totient is φ = 200946240.

The previous prime is 718411097. The next prime is 718411123. The reversal of 718411122 is 221114817.

It can be written as a sum of positive squares in 2 ways, for example, as 529046001 + 189365121 = 23001^2 + 13761^2 .

It is a super-2 number, since 2×718411122² = 1032229080426597768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (718411123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15628 + ... + 41000.

Almost surely, 2^718411122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718411122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921304566).

718411122 is an abundant number, since it is smaller than the sum of its proper divisors (1124198010).

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

718411122 is a wasteful number, since it uses less digits than its factorization.

718411122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25416 (or 25402 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 718411122 is about 26803.1923844903. The cubic root of 718411122 is about 895.6211669455.

Adding to 718411122 its reverse (221114817), we get a palindrome (939525939).

The spelling of 718411122 in words is "seven hundred eighteen million, four hundred eleven thousand, one hundred twenty-two".