7273520022242 has 4 divisors (see below), whose sum is σ = 10910280033366. Its totient is φ = 3636760011120.

The previous prime is 7273520022199. The next prime is 7273520022281. The reversal of 7273520022242 is 2422200253727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6871575434161 + 401944588081 = 2621369^2 + 633991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7273520022196 and 7273520022205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818380005559 + ... + 1818380005562.

Almost surely, 2^{7273520022242} is an apocalyptic number.

7273520022242 is a deficient number, since it is larger than the sum of its proper divisors (3636760011124).

7273520022242 is a wasteful number, since it uses less digits than its factorization.

7273520022242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636760011123.

The product of its (nonzero) digits is 188160, while the sum is 38.

Adding to 7273520022242 its reverse (2422200253727), we get a palindrome (9695720275969).

The spelling of 7273520022242 in words is "seven trillion, two hundred seventy-three billion, five hundred twenty million, twenty-two thousand, two hundred forty-two".