1224440207 has 4 divisors (see below), whose sum is σ = 1236328080. Its totient is φ = 1212552336.

The previous prime is 1224440183. The next prime is 1224440257. The reversal of 1224440207 is 7020444221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7020444221 = 7 ⋅1002920603.

It is a cyclic number.

It is not a de Polignac number, because 1224440207 - 2¹² = 1224436111 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 (1224440257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943782 + ... + 5943987.

It is an arithmetic number, because the mean of its divisors is an integer number (309082020).

Almost surely, 2^1224440207 is an apocalyptic number.

1224440207 is a deficient number, since it is larger than the sum of its proper divisors (11887873).

1224440207 is a wasteful number, since it uses less digits than its factorization.

1224440207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887872.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1224440207 is about 34992.0020433241. The cubic root of 1224440207 is about 1069.8244702894.

Adding to 1224440207 its reverse (7020444221), we get a palindrome (8244884428).

The spelling of 1224440207 in words is "one billion, two hundred twenty-four million, four hundred forty thousand, two hundred seven".