7257822089 has 4 divisors (see below), whose sum is σ = 8294653824. Its totient is φ = 6220990356.

The previous prime is 7257822073. The next prime is 7257822113. The reversal of 7257822089 is 9802287527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9802287527 = 14369 ⋅682183.

It is not a de Polignac number, because 7257822089 - 2⁴ = 7257822073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7257822389) 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, 518415857 + ... + 518415870.

It is an arithmetic number, because the mean of its divisors is an integer number (2073663456).

Almost surely, 2^7257822089 is an apocalyptic number.

It is an amenable number.

7257822089 is a deficient number, since it is larger than the sum of its proper divisors (1036831735).

7257822089 is a wasteful number, since it uses less digits than its factorization.

7257822089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036831734.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 7257822089 is about 85192.8523351578. The cubic root of 7257822089 is about 1936.1341239673.

The spelling of 7257822089 in words is "seven billion, two hundred fifty-seven million, eight hundred twenty-two thousand, eighty-nine".