135173222 has 16 divisors (see below), whose sum is σ = 219257280. Its totient is φ = 62256768.

The previous prime is 135173197. The next prime is 135173251. The reversal of 135173222 is 222371531.

It is a super-2 number, since 2×135173222² = 36543599891722568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135173191 and 135173200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40697 + ... + 43892.

It is an arithmetic number, because the mean of its divisors is an integer number (13703580).

Almost surely, 2^135173222 is an apocalyptic number.

135173222 is a deficient number, since it is larger than the sum of its proper divisors (84084058).

135173222 is a wasteful number, since it uses less digits than its factorization.

135173222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84655.

The product of its digits is 2520, while the sum is 26.

The square root of 135173222 is about 11626.4019369709. The cubic root of 135173222 is about 513.2121016727.

The spelling of 135173222 in words is "one hundred thirty-five million, one hundred seventy-three thousand, two hundred twenty-two".