7774225745 has 32 divisors (see below), whose sum is σ = 11436574464. Its totient is φ = 4992134400.

The previous prime is 7774225741. The next prime is 7774225747. The reversal of 7774225745 is 5475224777.

It is not a de Polignac number, because 7774225745 - 2² = 7774225741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7774225693 and 7774225702.

It is not an unprimeable number, because it can be changed into a prime (7774225741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219926 + ... + 252815.

It is an arithmetic number, because the mean of its divisors is an integer number (357392952).

Almost surely, 2^7774225745 is an apocalyptic number.

It is an amenable number.

7774225745 is a deficient number, since it is larger than the sum of its proper divisors (3662348719).

7774225745 is a wasteful number, since it uses less digits than its factorization.

7774225745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472793.

The product of its digits is 3841600, while the sum is 50.

The square root of 7774225745 is about 88171.5699361194. The cubic root of 7774225745 is about 1981.0056572955.

The spelling of 7774225745 in words is "seven billion, seven hundred seventy-four million, two hundred twenty-five thousand, seven hundred forty-five".