122224287 has 4 divisors (see below), whose sum is σ = 162965720. Its totient is φ = 81482856.

The previous prime is 122224279. The next prime is 122224301. The reversal of 122224287 is 782422221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122224287 - 2³ = 122224279 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 (122224217) 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, 20370712 + ... + 20370717.

It is an arithmetic number, because the mean of its divisors is an integer number (40741430).

Almost surely, 2^122224287 is an apocalyptic number.

122224287 is a deficient number, since it is larger than the sum of its proper divisors (40741433).

122224287 is an equidigital number, since it uses as much as digits as its factorization.

122224287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40741432.

The product of its digits is 7168, while the sum is 30.

The square root of 122224287 is about 11055.5093505455. The cubic root of 122224287 is about 496.2713122288.

The spelling of 122224287 in words is "one hundred twenty-two million, two hundred twenty-four thousand, two hundred eighty-seven".