1223111414 has 16 divisors (see below), whose sum is σ = 2117524896. Its totient is φ = 519000000.

The previous prime is 1223111401. The next prime is 1223111437. The reversal of 1223111414 is 4141113221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 431087 + ... + 433914.

It is an arithmetic number, because the mean of its divisors is an integer number (132345306).

Almost surely, 2^1223111414 is an apocalyptic number.

1223111414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223111414 is a deficient number, since it is larger than the sum of its proper divisors (894413482).

1223111414 is a wasteful number, since it uses less digits than its factorization.

1223111414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865111.

The product of its digits is 192, while the sum is 20.

The square root of 1223111414 is about 34973.0097932677. The cubic root of 1223111414 is about 1069.4373301600.

Adding to 1223111414 its reverse (4141113221), we get a palindrome (5364224635).

The spelling of 1223111414 in words is "one billion, two hundred twenty-three million, one hundred eleven thousand, four hundred fourteen".