135622226 has 8 divisors (see below), whose sum is σ = 215400060. Its totient is φ = 63822208.

The previous prime is 135622217. The next prime is 135622229. The reversal of 135622226 is 622226531.

It can be written as a sum of positive squares in 2 ways, for example, as 135373225 + 249001 = 11635^2 + 499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (135622229) 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, 1994411 + ... + 1994478.

Almost surely, 2^135622226 is an apocalyptic number.

135622226 is a deficient number, since it is larger than the sum of its proper divisors (79777834).

135622226 is a wasteful number, since it uses less digits than its factorization.

135622226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988908.

The product of its digits is 8640, while the sum is 29.

The square root of 135622226 is about 11645.6955996626. The cubic root of 135622226 is about 513.7797180710.

Adding to 135622226 its reverse (622226531), we get a palindrome (757848757).

The spelling of 135622226 in words is "one hundred thirty-five million, six hundred twenty-two thousand, two hundred twenty-six".