7224643451425 has 24 divisors (see below), whose sum is σ = 9092557298016. Its totient is φ = 5693269021440.

The previous prime is 7224643451423. The next prime is 7224643451533. The reversal of 7224643451425 is 5241543464227.

It is not a de Polignac number, because 7224643451425 - 2¹ = 7224643451423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7224643451423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81298617 + ... + 81387433.

It is an arithmetic number, because the mean of its divisors is an integer number (378856554084).

Almost surely, 2^{7224643451425} is an apocalyptic number.

It is an amenable number.

7224643451425 is a deficient number, since it is larger than the sum of its proper divisors (1867913846591).

7224643451425 is a wasteful number, since it uses less digits than its factorization.

7224643451425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137457 (or 137452 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 49.

The spelling of 7224643451425 in words is "seven trillion, two hundred twenty-four billion, six hundred forty-three million, four hundred fifty-one thousand, four hundred twenty-five".