233022140 has 48 divisors (see below), whose sum is σ = 531213312. Its totient is φ = 85349376.

The previous prime is 233022121. The next prime is 233022151. The reversal of 233022140 is 41220332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29492 + ... + 36548.

It is an arithmetic number, because the mean of its divisors is an integer number (11066944).

Almost surely, 2^233022140 is an apocalyptic number.

233022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233022140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265606656).

233022140 is an abundant number, since it is smaller than the sum of its proper divisors (298191172).

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

233022140 is a wasteful number, since it uses less digits than its factorization.

233022140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206 (or 7204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 233022140 is about 15265.0627250595. The cubic root of 233022140 is about 615.3644390741.

Adding to 233022140 its reverse (41220332), we get a palindrome (274242472).

The spelling of 233022140 in words is "two hundred thirty-three million, twenty-two thousand, one hundred forty".