7220775452 has 24 divisors (see below), whose sum is σ = 13789948032. Its totient is φ = 3281020400.

The previous prime is 7220775433. The next prime is 7220775467. The reversal of 7220775452 is 2545770227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105233 + ... + 159735.

It is an arithmetic number, because the mean of its divisors is an integer number (574581168).

Almost surely, 2^7220775452 is an apocalyptic number.

It is an amenable number.

7220775452 is a deficient number, since it is larger than the sum of its proper divisors (6569172580).

7220775452 is a wasteful number, since it uses less digits than its factorization.

7220775452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57529 (or 57527 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 7220775452 is about 84975.1460840168. The cubic root of 7220775452 is about 1932.8342522167.

It can be divided in two parts, 7220775 and 452, that added together give a palindrome (7221227).

The spelling of 7220775452 in words is "seven billion, two hundred twenty million, seven hundred seventy-five thousand, four hundred fifty-two".