1422165173 has 8 divisors (see below), whose sum is σ = 1670795616. Its totient is φ = 1193425200.

The previous prime is 1422165169. The next prime is 1422165179. The reversal of 1422165173 is 3715612241.

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

It is not a de Polignac number, because 1422165173 - 2² = 1422165169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422165179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972463 + ... + 4972748.

It is an arithmetic number, because the mean of its divisors is an integer number (208849452).

Almost surely, 2^1422165173 is an apocalyptic number.

1422165173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1422165173 is a deficient number, since it is larger than the sum of its proper divisors (248630443).

1422165173 is a wasteful number, since it uses less digits than its factorization.

1422165173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945235.

The product of its digits is 10080, while the sum is 32.

The square root of 1422165173 is about 37711.6052827243. The cubic root of 1422165173 is about 1124.5618502500.

The spelling of 1422165173 in words is "one billion, four hundred twenty-two million, one hundred sixty-five thousand, one hundred seventy-three".