1224298 has 4 divisors (see below), whose sum is σ = 1836450. Its totient is φ = 612148.

The previous prime is 1224287. The next prime is 1224299. The reversal of 1224298 is 8924221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8924221 = 1399 ⋅6379.

It can be written as a sum of positive squares in only one way, i.e., 651249 + 573049 = 807^2 + 757^2 .

It is not an unprimeable number, because it can be changed into a prime (1224299) by changing a digit.

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 as a sum of consecutive naturals, namely, 306073 + ... + 306076.

2^1224298 is an apocalyptic number.

1224298 is a deficient number, since it is larger than the sum of its proper divisors (612152).

1224298 is an equidigital number, since it uses as much as digits as its factorization.

1224298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612151.

The product of its digits is 2304, while the sum is 28.

The square root of 1224298 is about 1106.4800043381. The cubic root of 1224298 is about 106.9783052065.

It can be divided in two parts, 12 and 24298, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 1224298 in words is "one million, two hundred twenty-four thousand, two hundred ninety-eight".