135534222 has 28 divisors (see below), whose sum is σ = 304815840. Its totient is φ = 45177588.

The previous prime is 135534221. The next prime is 135534241. The reversal of 135534222 is 222435531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135534221) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 45022 + ... + 47937.

It is an arithmetic number, because the mean of its divisors is an integer number (10886280).

Almost surely, 2^135534222 is an apocalyptic number.

135534222 is an abundant number, since it is smaller than the sum of its proper divisors (169281618).

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

135534222 is an frugal number, since it uses more digits than its factorization.

135534222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979 (or 92964 counting only the distinct ones).

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

The square root of 135534222 is about 11641.9165947880. The cubic root of 135534222 is about 513.6685650667.

Adding to 135534222 its reverse (222435531), we get a palindrome (357969753).

The spelling of 135534222 in words is "one hundred thirty-five million, five hundred thirty-four thousand, two hundred twenty-two".