133548222 has 16 divisors (see below), whose sum is σ = 268207632. Its totient is φ = 44330880.

The previous prime is 133548221. The next prime is 133548227. The reversal of 133548222 is 222845331.

133548222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133548222² = 35670255198722568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133548222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133548221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44733 + ... + 47624.

It is an arithmetic number, because the mean of its divisors is an integer number (16762977).

Almost surely, 2^133548222 is an apocalyptic number.

133548222 is an abundant number, since it is smaller than the sum of its proper divisors (134659410).

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

133548222 is a wasteful number, since it uses less digits than its factorization.

133548222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92603.

The product of its digits is 11520, while the sum is 30.

The square root of 133548222 is about 11556.3065899101. The cubic root of 133548222 is about 511.1472596396.

The spelling of 133548222 in words is "one hundred thirty-three million, five hundred forty-eight thousand, two hundred twenty-two".