7042225447 has 4 divisors (see below), whose sum is σ = 7044045736. Its totient is φ = 7040405160.

The previous prime is 7042225439. The next prime is 7042225451. The reversal of 7042225447 is 7445222407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7445222407 = 7 ⋅1063603201.

It is a cyclic number.

It is not a de Polignac number, because 7042225447 - 2³ = 7042225439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042225747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904329 + ... + 912082.

It is an arithmetic number, because the mean of its divisors is an integer number (1761011434).

Almost surely, 2^7042225447 is an apocalyptic number.

7042225447 is a deficient number, since it is larger than the sum of its proper divisors (1820289).

7042225447 is a wasteful number, since it uses less digits than its factorization.

7042225447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820288.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 7042225447 is about 83917.9685585870. The cubic root of 7042225447 is about 1916.7698732714.

The spelling of 7042225447 in words is "seven billion, forty-two million, two hundred twenty-five thousand, four hundred forty-seven".