122166231 has 8 divisors (see below), whose sum is σ = 177696384. Its totient is φ = 74040120.

The previous prime is 122166229. The next prime is 122166251. The reversal of 122166231 is 132661221.

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

It is not a de Polignac number, because 122166231 - 2¹ = 122166229 is a prime.

It is a super-2 number, since 2×122166231² = 29849175993490722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850971 + ... + 1851036.

It is an arithmetic number, because the mean of its divisors is an integer number (22212048).

Almost surely, 2^122166231 is an apocalyptic number.

122166231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122166231 is a deficient number, since it is larger than the sum of its proper divisors (55530153).

122166231 is a wasteful number, since it uses less digits than its factorization.

122166231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702021.

The product of its digits is 864, while the sum is 24.

The square root of 122166231 is about 11052.8833794626. The cubic root of 122166231 is about 496.1927242193.

The spelling of 122166231 in words is "one hundred twenty-two million, one hundred sixty-six thousand, two hundred thirty-one".