122552225 has 18 divisors (see below), whose sum is σ = 153842274. Its totient is φ = 96844800.

The previous prime is 122552219. The next prime is 122552267. The reversal of 122552225 is 522255221.

It can be written as a sum of positive squares in 9 ways, for example, as 50353216 + 72199009 = 7096^2 + 8497^2 .

It is not a de Polignac number, because 122552225 - 2⁸ = 122551969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122552194 and 122552203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 234965 + ... + 235485.

It is an arithmetic number, because the mean of its divisors is an integer number (8546793).

Almost surely, 2^122552225 is an apocalyptic number.

It is an amenable number.

122552225 is a deficient number, since it is larger than the sum of its proper divisors (31290049).

122552225 is an frugal number, since it uses more digits than its factorization.

122552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 623 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 122552225 is about 11070.3308441979. The cubic root of 122552225 is about 496.7147616944.

The spelling of 122552225 in words is "one hundred twenty-two million, five hundred fifty-two thousand, two hundred twenty-five".