773222225 has 12 divisors (see below), whose sum is σ = 959807244. Its totient is φ = 617925120.

The previous prime is 773222213. The next prime is 773222249. The reversal of 773222225 is 522222377.

It can be written as a sum of positive squares in 6 ways, for example, as 10523536 + 762698689 = 3244^2 + 27617^2 .

It is not a de Polignac number, because 773222225 - 2⁶ = 773222161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 773222191 and 773222200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8597 + ... + 40253.

It is an arithmetic number, because the mean of its divisors is an integer number (79983937).

Almost surely, 2^773222225 is an apocalyptic number.

It is an amenable number.

773222225 is a deficient number, since it is larger than the sum of its proper divisors (186585019).

773222225 is a wasteful number, since it uses less digits than its factorization.

773222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32644 (or 32639 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 773222225 is about 27806.8737005799. The cubic root of 773222225 is about 917.8423859565.

The spelling of 773222225 in words is "seven hundred seventy-three million, two hundred twenty-two thousand, two hundred twenty-five".