528498222 has 48 divisors (see below), whose sum is σ = 1235139840. Its totient is φ = 150315312.

The previous prime is 528498197. The next prime is 528498247. The reversal of 528498222 is 222894825.

It is an interprime number because it is at equal distance from previous prime (528498197) and next prime (528498247).

It is a super-2 number, since 2×528498222² = 558620741314322568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62779 + ... + 70697.

It is an arithmetic number, because the mean of its divisors is an integer number (25732080).

Almost surely, 2^528498222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528498222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617569920).

528498222 is an abundant number, since it is smaller than the sum of its proper divisors (706641618).

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

528498222 is a wasteful number, since it uses less digits than its factorization.

528498222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165 (or 8158 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 528498222 is about 22989.0891946593. The cubic root of 528498222 is about 808.5021457562.

The spelling of 528498222 in words is "five hundred twenty-eight million, four hundred ninety-eight thousand, two hundred twenty-two".