133443222 has 32 divisors (see below), whose sum is σ = 295259904. Its totient is φ = 39866400.

The previous prime is 133443221. The next prime is 133443223. The reversal of 133443222 is 222344331.

It is an interprime number because it is at equal distance from previous prime (133443221) and next prime (133443223).

It is a junction number, because it is equal to n+sod(n) for n = 133443192 and 133443201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133443221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9553 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (9226872).

Almost surely, 2^133443222 is an apocalyptic number.

133443222 is an abundant number, since it is smaller than the sum of its proper divisors (161816682).

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

133443222 is a wasteful number, since it uses less digits than its factorization.

133443222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28564.

The product of its digits is 3456, while the sum is 24.

The square root of 133443222 is about 11551.7627226324. The cubic root of 133443222 is about 511.0132642597.

Adding to 133443222 its reverse (222344331), we get a palindrome (355787553).

The spelling of 133443222 in words is "one hundred thirty-three million, four hundred forty-three thousand, two hundred twenty-two".