1412240221 has 6 divisors (see below), whose sum is σ = 1642810110. Its totient is φ = 1210491576.

The previous prime is 1412240177. The next prime is 1412240237. The reversal of 1412240221 is 1220422141.

It can be written as a sum of positive squares in only one way, i.e., 1319868900 + 92371321 = 36330^2 + 9611^2 .

It is not a de Polignac number, because 1412240221 - 2¹¹ = 1412238173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412240281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14410566 + ... + 14410663.

It is an arithmetic number, because the mean of its divisors is an integer number (273801685).

Almost surely, 2^1412240221 is an apocalyptic number.

It is an amenable number.

1412240221 is a deficient number, since it is larger than the sum of its proper divisors (230569889).

1412240221 is an equidigital number, since it uses as much as digits as its factorization.

1412240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28821243 (or 28821236 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1412240221 is about 37579.7847386065. The cubic root of 1412240221 is about 1121.9397245950.

Adding to 1412240221 its reverse (1220422141), we get a palindrome (2632662362).

The spelling of 1412240221 in words is "one billion, four hundred twelve million, two hundred forty thousand, two hundred twenty-one".