7272446522 has 16 divisors (see below), whose sum is σ = 12310725600. Its totient is φ = 3191669040.

The previous prime is 7272446491. The next prime is 7272446527. The reversal of 7272446522 is 2256442727.

It is a self number, because there is not a number n which added to its sum of digits gives 7272446522.

It is not an unprimeable number, because it can be changed into a prime (7272446527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5698772 + ... + 5700047.

It is an arithmetic number, because the mean of its divisors is an integer number (769420350).

Almost surely, 2^7272446522 is an apocalyptic number.

7272446522 is a deficient number, since it is larger than the sum of its proper divisors (5038279078).

7272446522 is a wasteful number, since it uses less digits than its factorization.

7272446522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398861.

The product of its digits is 376320, while the sum is 41.

The square root of 7272446522 is about 85278.6404793135. The cubic root of 7272446522 is about 1937.4336812652.

The spelling of 7272446522 in words is "seven billion, two hundred seventy-two million, four hundred forty-six thousand, five hundred twenty-two".