233528022 has 240 divisors, whose sum is σ = 685948032. Its totient is φ = 58786560.

The previous prime is 233528003. The next prime is 233528033. The reversal of 233528022 is 220825332.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3198978 + ... + 3199050.

Almost surely, 2^233528022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233528022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342974016).

233528022 is an abundant number, since it is smaller than the sum of its proper divisors (452420010).

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

233528022 is a wasteful number, since it uses less digits than its factorization.

233528022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 233528022 is about 15281.6236702780. The cubic root of 233528022 is about 615.8094279634.

The spelling of 233528022 in words is "two hundred thirty-three million, five hundred twenty-eight thousand, twenty-two".