134422221 has 16 divisors (see below), whose sum is σ = 190425600. Its totient is φ = 84184128.

The previous prime is 134422219. The next prime is 134422229. The reversal of 134422221 is 122224431.

It is not a de Polignac number, because 134422221 - 2¹ = 134422219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134422229) 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, 17661 + ... + 24098.

It is an arithmetic number, because the mean of its divisors is an integer number (11901600).

Almost surely, 2^134422221 is an apocalyptic number.

It is an amenable number.

134422221 is a deficient number, since it is larger than the sum of its proper divisors (56003379).

134422221 is a wasteful number, since it uses less digits than its factorization.

134422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41828.

The product of its digits is 768, while the sum is 21.

The square root of 134422221 is about 11594.0597290164. The cubic root of 134422221 is about 512.2598943497.

Adding to 134422221 its reverse (122224431), we get a palindrome (256646652).

The spelling of 134422221 in words is "one hundred thirty-four million, four hundred twenty-two thousand, two hundred twenty-one".