7224722444 has 12 divisors (see below), whose sum is σ = 12726995568. Its totient is φ = 3588438000.

The previous prime is 7224722429. The next prime is 7224722471. The reversal of 7224722444 is 4442274227.

It is a super-2 number, since 2×7224722444² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7224722398 and 7224722407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5980127 + ... + 5981334.

It is an arithmetic number, because the mean of its divisors is an integer number (1060582964).

Almost surely, 2^7224722444 is an apocalyptic number.

It is an amenable number.

7224722444 is a deficient number, since it is larger than the sum of its proper divisors (5502273124).

7224722444 is a wasteful number, since it uses less digits than its factorization.

7224722444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961616 (or 11961614 counting only the distinct ones).

The product of its digits is 200704, while the sum is 38.

The square root of 7224722444 is about 84998.3673019665. The cubic root of 7224722444 is about 1933.1863608316.

The spelling of 7224722444 in words is "seven billion, two hundred twenty-four million, seven hundred twenty-two thousand, four hundred forty-four".