7445225447 has 16 divisors (see below), whose sum is σ = 8201571840. Its totient is φ = 6702384000.

The previous prime is 7445225377. The next prime is 7445225461.

7445225447 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7445225447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7445225398 and 7445225407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445225467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607058 + ... + 619200.

It is an arithmetic number, because the mean of its divisors is an integer number (512598240).

Almost surely, 2^7445225447 is an apocalyptic number.

7445225447 is a deficient number, since it is larger than the sum of its proper divisors (756346393).

7445225447 is a wasteful number, since it uses less digits than its factorization.

7445225447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694.

The product of its digits is 1254400, while the sum is 44.

The square root of 7445225447 is about 86285.7198324265. The cubic root of 7445225447 is about 1952.6569477031.

It can be divided in two parts, 74452 and 25447, that added together give a palindrome (99899).

The spelling of 7445225447 in words is "seven billion, four hundred forty-five million, two hundred twenty-five thousand, four hundred forty-seven".