233221133000 has 32 divisors (see below), whose sum is σ = 545737453560. Its totient is φ = 93288452800.

The previous prime is 233221132951. The next prime is 233221133017. The reversal of 233221133000 is 331122332.

It can be written as a sum of positive squares in 4 ways, for example, as 12037161796 + 221183971204 = 109714^2 + 470302^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 116609567 + ... + 116611566.

Almost surely, 2^233221133000 is an apocalyptic number.

233221133000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233221133000 is an abundant number, since it is smaller than the sum of its proper divisors (312516320560).

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

233221133000 is a wasteful number, since it uses less digits than its factorization.

233221133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233221154 (or 233221140 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 233221133000 its reverse (331122332), we get a palindrome (233552255332).

The spelling of 233221133000 in words is "two hundred thirty-three billion, two hundred twenty-one million, one hundred thirty-three thousand".