122220250 has 64 divisors (see below), whose sum is σ = 239514912. Its totient is φ = 46656000.

The previous prime is 122220247. The next prime is 122220251. The reversal of 122220250 is 52022221.

It can be written as a sum of positive squares in 16 ways, for example, as 10093329 + 112126921 = 3177^2 + 10589^2 .

It is not an unprimeable number, because it can be changed into a prime (122220251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675160 + ... + 675340.

Almost surely, 2^122220250 is an apocalyptic number.

122220250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220250 is a deficient number, since it is larger than the sum of its proper divisors (117294662).

122220250 is a wasteful number, since it uses less digits than its factorization.

122220250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 122220250 is about 11055.3267703854. The cubic root of 122220250 is about 496.2658483138.

Adding to 122220250 its reverse (52022221), we get a palindrome (174242471).

The spelling of 122220250 in words is "one hundred twenty-two million, two hundred twenty thousand, two hundred fifty".