1224402011 has 16 divisors (see below), whose sum is σ = 1449316800. Its totient is φ = 1012075008.

The previous prime is 1224401989. The next prime is 1224402013. The reversal of 1224402011 is 1102044221.

It is not a de Polignac number, because 1224402011 - 2¹⁴ = 1224385627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224402013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190295 + ... + 196623.

It is an arithmetic number, because the mean of its divisors is an integer number (90582300).

Almost surely, 2^1224402011 is an apocalyptic number.

1224402011 is a deficient number, since it is larger than the sum of its proper divisors (224914789).

1224402011 is an equidigital number, since it uses as much as digits as its factorization.

1224402011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1224402011 is about 34991.4562572066. The cubic root of 1224402011 is about 1069.8133459024.

Adding to 1224402011 its reverse (1102044221), we get a palindrome (2326446232).

The spelling of 1224402011 in words is "one billion, two hundred twenty-four million, four hundred two thousand, eleven".