718221114 has 32 divisors (see below), whose sum is σ = 1718821440. Its totient is φ = 220990896.

The previous prime is 718221089. The next prime is 718221139. The reversal of 718221114 is 411122817.

It is an interprime number because it is at equal distance from previous prime (718221089) and next prime (718221139).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 510852 + ... + 512255.

It is an arithmetic number, because the mean of its divisors is an integer number (53713170).

Almost surely, 2^718221114 is an apocalyptic number.

718221114 is an abundant number, since it is smaller than the sum of its proper divisors (1000600326).

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

718221114 is a wasteful number, since it uses less digits than its factorization.

718221114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023131 (or 1023125 counting only the distinct ones).

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

The square root of 718221114 is about 26799.6476469374. The cubic root of 718221114 is about 895.5422009298.

The spelling of 718221114 in words is "seven hundred eighteen million, two hundred twenty-one thousand, one hundred fourteen".