1443221014 has 16 divisors (see below), whose sum is σ = 2190470688. Its totient is φ = 713114752.

The previous prime is 1443221011. The next prime is 1443221051. The reversal of 1443221014 is 4101223441.

1443221014 = T₃₁₀₁₇ + T₃₁₀₁₈ + T₃₁₀₁₉.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45294 + ... + 70270.

It is an arithmetic number, because the mean of its divisors is an integer number (136904418).

Almost surely, 2^1443221014 is an apocalyptic number.

1443221014 is the 31019-th centered triangular number.

1443221014 is a deficient number, since it is larger than the sum of its proper divisors (747249674).

1443221014 is a wasteful number, since it uses less digits than its factorization.

1443221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25319.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1443221014 is about 37989.7488014859. The cubic root of 1443221014 is about 1130.0845771660.

Adding to 1443221014 its reverse (4101223441), we get a palindrome (5544444455).

The spelling of 1443221014 in words is "one billion, four hundred forty-three million, two hundred twenty-one thousand, fourteen".