133000222241 has 4 divisors (see below), whose sum is σ = 133000954800. Its totient is φ = 132999489684.

The previous prime is 133000222169. The next prime is 133000222249. The reversal of 133000222241 is 142222000331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 142222000331 = 85829 ⋅1657039.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133000222241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133000222249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132050 + ... + 532388.

It is an arithmetic number, because the mean of its divisors is an integer number (33250238700).

Almost surely, 2^133000222241 is an apocalyptic number.

It is an amenable number.

133000222241 is a deficient number, since it is larger than the sum of its proper divisors (732559).

133000222241 is an equidigital number, since it uses as much as digits as its factorization.

133000222241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732558.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 133000222241 its reverse (142222000331), we get a palindrome (275222222572).

The spelling of 133000222241 in words is "one hundred thirty-three billion, two hundred twenty-two thousand, two hundred forty-one".