772225229 has 4 divisors (see below), whose sum is σ = 772320540. Its totient is φ = 772129920.

The previous prime is 772225193. The next prime is 772225273. The reversal of 772225229 is 922522277.

772225229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922522277 = 29 ⋅31811113.

It can be written as a sum of positive squares in 2 ways, for example, as 377408329 + 394816900 = 19427^2 + 19870^2 .

It is a cyclic number.

It is not a de Polignac number, because 772225229 - 2¹⁶ = 772159693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772225192 and 772225201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771225229) 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, 34244 + ... + 52125.

It is an arithmetic number, because the mean of its divisors is an integer number (193080135).

Almost surely, 2^772225229 is an apocalyptic number.

It is an amenable number.

772225229 is a deficient number, since it is larger than the sum of its proper divisors (95311).

772225229 is an equidigital number, since it uses as much as digits as its factorization.

772225229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95310.

The product of its digits is 70560, while the sum is 38.

The square root of 772225229 is about 27788.9407678666. The cubic root of 772225229 is about 917.4477263340.

The spelling of 772225229 in words is "seven hundred seventy-two million, two hundred twenty-five thousand, two hundred twenty-nine".