122022628 has 48 divisors (see below), whose sum is σ = 264001024. Its totient is φ = 48055680.

The previous prime is 122022623. The next prime is 122022643. The reversal of 122022628 is 826220221.

It is not an unprimeable number, because it can be changed into a prime (122022623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98026 + ... + 99262.

Almost surely, 2^122022628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122022628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132000512).

122022628 is an abundant number, since it is smaller than the sum of its proper divisors (141978396).

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

122022628 is a wasteful number, since it uses less digits than its factorization.

122022628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 122022628 is about 11046.3852911258. The cubic root of 122022628 is about 495.9982277512.

Adding to 122022628 its reverse (826220221), we get a palindrome (948242849).

The spelling of 122022628 in words is "one hundred twenty-two million, twenty-two thousand, six hundred twenty-eight".