1214211444 has 24 divisors (see below), whose sum is σ = 2838591840. Its totient is φ = 403961184.

The previous prime is 1214211437. The next prime is 1214211461. The reversal of 1214211444 is 4441124121.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90459 + ... + 103010.

It is an arithmetic number, because the mean of its divisors is an integer number (118274660).

Almost surely, 2^1214211444 is an apocalyptic number.

It is an amenable number.

1214211444 is an abundant number, since it is smaller than the sum of its proper divisors (1624380396).

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

1214211444 is a wasteful number, since it uses less digits than its factorization.

1214211444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193999 (or 193997 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1214211444 is about 34845.5369308610. The cubic root of 1214211444 is about 1066.8370928643.

Adding to 1214211444 its reverse (4441124121), we get a palindrome (5655335565).

The spelling of 1214211444 in words is "one billion, two hundred fourteen million, two hundred eleven thousand, four hundred forty-four".