1117222725 has 12 divisors (see below), whose sum is σ = 1847141696. Its totient is φ = 595852080.

The previous prime is 1117222697. The next prime is 1117222727. The reversal of 1117222725 is 5272227111.

It is not a de Polignac number, because 1117222725 - 2⁵ = 1117222693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117222692 and 1117222701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117222727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7448077 + ... + 7448226.

Almost surely, 2^1117222725 is an apocalyptic number.

1117222725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1117222725 is a deficient number, since it is larger than the sum of its proper divisors (729918971).

1117222725 is a wasteful number, since it uses less digits than its factorization.

1117222725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14896316 (or 14896311 counting only the distinct ones).

The product of its digits is 3920, while the sum is 30.

The square root of 1117222725 is about 33424.8818247724. The cubic root of 1117222725 is about 1037.6397179621.

Adding to 1117222725 its reverse (5272227111), we get a palindrome (6389449836).

The spelling of 1117222725 in words is "one billion, one hundred seventeen million, two hundred twenty-two thousand, seven hundred twenty-five".