117225557 has 8 divisors (see below), whose sum is σ = 125029656. Its totient is φ = 109522432.

The previous prime is 117225547. The next prime is 117225571. The reversal of 117225557 is 755522711.

It can be written as a sum of positive squares in 4 ways, for example, as 53129521 + 64096036 = 7289^2 + 8006^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117225557 - 2⁸ = 117225301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117225547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22838 + ... + 27495.

It is an arithmetic number, because the mean of its divisors is an integer number (15628707).

Almost surely, 2^117225557 is an apocalyptic number.

117225557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117225557 is a deficient number, since it is larger than the sum of its proper divisors (7804099).

117225557 is a wasteful number, since it uses less digits than its factorization.

117225557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50487.

The product of its digits is 24500, while the sum is 35.

The square root of 117225557 is about 10827.0751821533. The cubic root of 117225557 is about 489.4114229657.

The spelling of 117225557 in words is "one hundred seventeen million, two hundred twenty-five thousand, five hundred fifty-seven".