7222782464 has 40 divisors (see below), whose sum is σ = 14541756768. Its totient is φ = 3583790080.

The previous prime is 7222782449. The next prime is 7222782499. The reversal of 7222782464 is 4642872227.

It is a super-2 number, since 2×7222782464² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13229 + ... + 120915.

Almost surely, 2^7222782464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222782464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7270878384).

7222782464 is an abundant number, since it is smaller than the sum of its proper divisors (7318974304).

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

7222782464 is a wasteful number, since it uses less digits than its factorization.

7222782464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107836 (or 107820 counting only the distinct ones).

The product of its digits is 602112, while the sum is 44.

The square root of 7222782464 is about 84986.9546695256. The cubic root of 7222782464 is about 1933.0133124949.

The spelling of 7222782464 in words is "seven billion, two hundred twenty-two million, seven hundred eighty-two thousand, four hundred sixty-four".