128522022 has 16 divisors (see below), whose sum is σ = 268220160. Its totient is φ = 40977992.

The previous prime is 128521957. The next prime is 128522071. The reversal of 128522022 is 220225821.

It is a junction number, because it is equal to n+sod(n) for n = 128521983 and 128522001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465522 + ... + 465797.

It is an arithmetic number, because the mean of its divisors is an integer number (16763760).

Almost surely, 2^128522022 is an apocalyptic number.

128522022 is an abundant number, since it is smaller than the sum of its proper divisors (139698138).

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

128522022 is a wasteful number, since it uses less digits than its factorization.

128522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931347.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 128522022 is about 11336.7553559208. The cubic root of 128522022 is about 504.6526016446.

Adding to 128522022 its reverse (220225821), we get a palindrome (348747843).

The spelling of 128522022 in words is "one hundred twenty-eight million, five hundred twenty-two thousand, twenty-two".