107225521 has 4 divisors (see below), whose sum is σ = 115473652. Its totient is φ = 98977392.

The previous prime is 107225513. The next prime is 107225551. The reversal of 107225521 is 125522701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71656225 + 35569296 = 8465^2 + 5964^2 .

It is a cyclic number.

It is not a de Polignac number, because 107225521 - 2³ = 107225513 is a prime.

It is a super-2 number, since 2×107225521² = 22994624707442882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107225501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124046 + ... + 4124071.

It is an arithmetic number, because the mean of its divisors is an integer number (28868413).

Almost surely, 2^107225521 is an apocalyptic number.

It is an amenable number.

107225521 is a deficient number, since it is larger than the sum of its proper divisors (8248131).

107225521 is an equidigital number, since it uses as much as digits as its factorization.

107225521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248130.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 107225521 is about 10354.9756639019. The cubic root of 107225521 is about 475.0792421813.

The spelling of 107225521 in words is "one hundred seven million, two hundred twenty-five thousand, five hundred twenty-one".