122812224 has 28 divisors (see below), whose sum is σ = 324941184. Its totient is φ = 40937344.

The previous prime is 122812211. The next prime is 122812231. The reversal of 122812224 is 422218221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122812194 and 122812203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319632 + ... + 320015.

Almost surely, 2^122812224 is an apocalyptic number.

It is an amenable number.

122812224 is an abundant number, since it is smaller than the sum of its proper divisors (202128960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122812224 is an equidigital number, since it uses as much as digits as its factorization.

122812224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639662 (or 639652 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 122812224 is about 11082.0676771079. The cubic root of 122812224 is about 497.0657797195.

The spelling of 122812224 in words is "one hundred twenty-two million, eight hundred twelve thousand, two hundred twenty-four".