1214213244 has 24 divisors (see below), whose sum is σ = 2842401408. Its totient is φ = 403418160.

The previous prime is 1214213191. The next prime is 1214213269. The reversal of 1214213244 is 4423124121.

It is a nude number because it is divisible by every one of its digits.

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, 161112 + ... + 168479.

It is an arithmetic number, because the mean of its divisors is an integer number (118433392).

Almost surely, 2^1214213244 is an apocalyptic number.

It is an amenable number.

1214213244 is an abundant number, since it is smaller than the sum of its proper divisors (1628188164).

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

1214213244 is a wasteful number, since it uses less digits than its factorization.

1214213244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329905 (or 329903 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1214213244 is about 34845.5627591233. The cubic root of 1214213244 is about 1066.8376200393.

Adding to 1214213244 its reverse (4423124121), we get a palindrome (5637337365).

The spelling of 1214213244 in words is "one billion, two hundred fourteen million, two hundred thirteen thousand, two hundred forty-four".