122220522 has 32 divisors (see below), whose sum is σ = 271964160. Its totient is φ = 40685760.

The previous prime is 122220517. The next prime is 122220541. The reversal of 122220522 is 225022221.

122220522 is a `hidden beast` number, since 122 + 2 + 20 + 522 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122220495 and 122220504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72663 + ... + 74325.

It is an arithmetic number, because the mean of its divisors is an integer number (8498880).

Almost surely, 2^122220522 is an apocalyptic number.

122220522 is an abundant number, since it is smaller than the sum of its proper divisors (149743638).

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

122220522 is a wasteful number, since it uses less digits than its factorization.

122220522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 122220522 is about 11055.3390721407. The cubic root of 122220522 is about 496.2662164585.

Adding to 122220522 its reverse (225022221), we get a palindrome (347242743).

The spelling of 122220522 in words is "one hundred twenty-two million, two hundred twenty thousand, five hundred twenty-two".