1224214152 has 32 divisors (see below), whose sum is σ = 3497755200. Its totient is φ = 349775424.

The previous prime is 1224214093. The next prime is 1224214157. The reversal of 1224214152 is 2514124221.

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

It is not an unprimeable number, because it can be changed into a prime (1224214157) 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 in 7 ways as a sum of consecutive naturals, for example, 3643327 + ... + 3643662.

It is an arithmetic number, because the mean of its divisors is an integer number (109304850).

Almost surely, 2^1224214152 is an apocalyptic number.

1224214152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224214152 is an abundant number, since it is smaller than the sum of its proper divisors (2273541048).

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

1224214152 is a wasteful number, since it uses less digits than its factorization.

1224214152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287005 (or 7287001 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 1224214152 is about 34988.7717989643. The cubic root of 1224214152 is about 1069.7586295748.

Adding to 1224214152 its reverse (2514124221), we get a palindrome (3738338373).

The spelling of 1224214152 in words is "one billion, two hundred twenty-four million, two hundred fourteen thousand, one hundred fifty-two".