7224679445 has 8 divisors (see below), whose sum is σ = 8691455544. Its totient is φ = 5765183424.

The previous prime is 7224679421. The next prime is 7224679463. The reversal of 7224679445 is 5449764227.

It can be written as a sum of positive squares in 4 ways, for example, as 1390469521 + 5834209924 = 37289^2 + 76382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7224679445 - 2⁶ = 7224679381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7224679393 and 7224679402.

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, 1817834 + ... + 1821803.

It is an arithmetic number, because the mean of its divisors is an integer number (1086431943).

Almost surely, 2^7224679445 is an apocalyptic number.

It is an amenable number.

7224679445 is a deficient number, since it is larger than the sum of its proper divisors (1466776099).

7224679445 is a wasteful number, since it uses less digits than its factorization.

7224679445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640039.

The product of its digits is 3386880, while the sum is 50.

The square root of 7224679445 is about 84998.1143614375. The cubic root of 7224679445 is about 1933.1825256095.

The spelling of 7224679445 in words is "seven billion, two hundred twenty-four million, six hundred seventy-nine thousand, four hundred forty-five".