7422561797 has 6 divisors (see below), whose sum is σ = 8634408678. Its totient is φ = 6362195784.

The previous prime is 7422561781. The next prime is 7422561851. The reversal of 7422561797 is 7971652247.

It can be written as a sum of positive squares in only one way, i.e., 4217982916 + 3204578881 = 64946^2 + 56609^2 .

It is not a de Polignac number, because 7422561797 - 2⁴ = 7422561781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422561737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75740378 + ... + 75740475.

It is an arithmetic number, because the mean of its divisors is an integer number (1439068113).

Almost surely, 2^7422561797 is an apocalyptic number.

It is an amenable number.

7422561797 is a deficient number, since it is larger than the sum of its proper divisors (1211846881).

7422561797 is a wasteful number, since it uses less digits than its factorization.

7422561797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151480867 (or 151480860 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The square root of 7422561797 is about 86154.2906476514. The cubic root of 7422561797 is about 1950.6736044092.

The spelling of 7422561797 in words is "seven billion, four hundred twenty-two million, five hundred sixty-one thousand, seven hundred ninety-seven".