122205250 has 16 divisors (see below), whose sum is σ = 228768696. Its totient is φ = 48882000.

The previous prime is 122205203. The next prime is 122205263. The reversal of 122205250 is 52502221.

It can be written as a sum of positive squares in 4 ways, for example, as 59336209 + 62869041 = 7703^2 + 7929^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 244161 + ... + 244660.

Almost surely, 2^122205250 is an apocalyptic number.

122205250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122205250 is a deficient number, since it is larger than the sum of its proper divisors (106563446).

122205250 is an equidigital number, since it uses as much as digits as its factorization.

122205250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488838 (or 488828 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 122205250 is about 11054.6483435702. The cubic root of 122205250 is about 496.2455453709.

Adding to 122205250 its reverse (52502221), we get a palindrome (174707471).

The spelling of 122205250 in words is "one hundred twenty-two million, two hundred five thousand, two hundred fifty".