1224470247 has 64 divisors (see below), whose sum is σ = 2229534720. Its totient is φ = 577123200.

The previous prime is 1224470227. The next prime is 1224470281. The reversal of 1224470247 is 7420744221.

It is not a de Polignac number, because 1224470247 - 2¹¹ = 1224468199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224470227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173722 + ... + 180632.

It is an arithmetic number, because the mean of its divisors is an integer number (34836480).

Almost surely, 2^1224470247 is an apocalyptic number.

1224470247 is a deficient number, since it is larger than the sum of its proper divisors (1005064473).

1224470247 is a wasteful number, since it uses less digits than its factorization.

1224470247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 1224470247 is about 34992.4312816357. The cubic root of 1224470247 is about 1069.8332191212.

The spelling of 1224470247 in words is "one billion, two hundred twenty-four million, four hundred seventy thousand, two hundred forty-seven".