117225390 has 32 divisors (see below), whose sum is σ = 281696256. Its totient is φ = 31220640.

The previous prime is 117225359. The next prime is 117225391. The reversal of 117225390 is 93522711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117225391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27759 + ... + 31701.

It is an arithmetic number, because the mean of its divisors is an integer number (8803008).

Almost surely, 2^117225390 is an apocalyptic number.

117225390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117225390 is an abundant number, since it is smaller than the sum of its proper divisors (164470866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117225390 is a wasteful number, since it uses less digits than its factorization.

117225390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 117225390 is about 10827.0674700031. The cubic root of 117225390 is about 489.4111905598.

It can be divided in two parts, 1172 and 25390, that added together give a palindrome (26562).

The spelling of 117225390 in words is "one hundred seventeen million, two hundred twenty-five thousand, three hundred ninety".