716121222 has 8 divisors (see below), whose sum is σ = 1432242456. Its totient is φ = 238707072.

The previous prime is 716121193. The next prime is 716121223. The reversal of 716121222 is 222121617.

It is a sphenic number, since it is the product of 3 distinct primes.

716121222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 716121192 and 716121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716121223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59676763 + ... + 59676774.

It is an arithmetic number, because the mean of its divisors is an integer number (179030307).

Almost surely, 2^716121222 is an apocalyptic number.

716121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

716121222 is a wasteful number, since it uses less digits than its factorization.

716121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119353542.

The product of its digits is 672, while the sum is 24.

The square root of 716121222 is about 26760.4413640732. The cubic root of 716121222 is about 894.6685713524.

Adding to 716121222 its reverse (222121617), we get a palindrome (938242839).

The spelling of 716121222 in words is "seven hundred sixteen million, one hundred twenty-one thousand, two hundred twenty-two".