722416146 has 32 divisors (see below), whose sum is σ = 1481856768. Its totient is φ = 234648960.

The previous prime is 722416141. The next prime is 722416151. The reversal of 722416146 is 641614227.

It is an interprime number because it is at equal distance from previous prime (722416141) and next prime (722416151).

It is not an unprimeable number, because it can be changed into a prime (722416141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325336 + ... + 327548.

It is an arithmetic number, because the mean of its divisors is an integer number (46308024).

Almost surely, 2^722416146 is an apocalyptic number.

722416146 is an abundant number, since it is smaller than the sum of its proper divisors (759440622).

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

722416146 is a wasteful number, since it uses less digits than its factorization.

722416146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586.

The product of its digits is 16128, while the sum is 33.

The square root of 722416146 is about 26877.8002448117. The cubic root of 722416146 is about 897.2823973611.

It can be divided in two parts, 72241 and 6146, that added together give a palindrome (78387).

The spelling of 722416146 in words is "seven hundred twenty-two million, four hundred sixteen thousand, one hundred forty-six".