133554222 has 24 divisors (see below), whose sum is σ = 299346840. Its totient is φ = 42982800.

The previous prime is 133554199. The next prime is 133554233. The reversal of 133554222 is 222455331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127404 + ... + 128447.

It is an arithmetic number, because the mean of its divisors is an integer number (12472785).

Almost surely, 2^133554222 is an apocalyptic number.

133554222 is an abundant number, since it is smaller than the sum of its proper divisors (165792618).

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

133554222 is a wasteful number, since it uses less digits than its factorization.

133554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255888 (or 255885 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 133554222 is about 11556.5661855068. The cubic root of 133554222 is about 511.1549143968.

The spelling of 133554222 in words is "one hundred thirty-three million, five hundred fifty-four thousand, two hundred twenty-two".