1214444231 has 64 divisors (see below), whose sum is σ = 1690730496. Its totient is φ = 841881600.

The previous prime is 1214444213. The next prime is 1214444237. The reversal of 1214444231 is 1324444121.

It is not a de Polignac number, because 1214444231 - 2¹⁰ = 1214443207 is a prime.

It is a super-2 number, since 2×1214444231² = 2949749580418362722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214444231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214444237) 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, 5212091 + ... + 5212323.

It is an arithmetic number, because the mean of its divisors is an integer number (26417664).

Almost surely, 2^1214444231 is an apocalyptic number.

1214444231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1214444231 is a deficient number, since it is larger than the sum of its proper divisors (476286265).

1214444231 is a wasteful number, since it uses less digits than its factorization.

1214444231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 3072, while the sum is 26.

The square root of 1214444231 is about 34848.8770407312. The cubic root of 1214444231 is about 1066.9052660364.

Adding to 1214444231 its reverse (1324444121), we get a palindrome (2538888352).

The spelling of 1214444231 in words is "one billion, two hundred fourteen million, four hundred forty-four thousand, two hundred thirty-one".