7257422219 has 4 divisors (see below), whose sum is σ = 7266241296. Its totient is φ = 7248603144.

The previous prime is 7257422203. The next prime is 7257422243. The reversal of 7257422219 is 9122247527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9122247527 = 1319 ⋅6916033.

It is a cyclic number.

It is not a de Polignac number, because 7257422219 - 2⁴ = 7257422203 is a prime.

It is a super-2 number, since 2×7257422219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7257428219) 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 3 ways as a sum of consecutive naturals, for example, 4408304 + ... + 4409949.

It is an arithmetic number, because the mean of its divisors is an integer number (1816560324).

Almost surely, 2^7257422219 is an apocalyptic number.

7257422219 is a deficient number, since it is larger than the sum of its proper divisors (8819077).

7257422219 is an equidigital number, since it uses as much as digits as its factorization.

7257422219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819076.

The product of its digits is 141120, while the sum is 41.

The square root of 7257422219 is about 85190.5054510184. The cubic root of 7257422219 is about 1936.0985661851.

The spelling of 7257422219 in words is "seven billion, two hundred fifty-seven million, four hundred twenty-two thousand, two hundred nineteen".