1412644221 has 12 divisors (see below), whose sum is σ = 2041046748. Its totient is φ = 941504064.

The previous prime is 1412644069. The next prime is 1412644231. The reversal of 1412644221 is 1224462141.

1412644221 is a `hidden beast` number, since 1 + 4 + 12 + 644 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 673402500 + 739241721 = 25950^2 + 27189^2 .

It is not a de Polignac number, because 1412644221 - 2¹¹ = 1412642173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412644231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16561 + ... + 55673.

It is an arithmetic number, because the mean of its divisors is an integer number (170087229).

Almost surely, 2^1412644221 is an apocalyptic number.

It is an amenable number.

1412644221 is a deficient number, since it is larger than the sum of its proper divisors (628402527).

1412644221 is a wasteful number, since it uses less digits than its factorization.

1412644221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43132 (or 43129 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1412644221 is about 37585.1595846020. The cubic root of 1412644221 is about 1122.0466989438.

The spelling of 1412644221 in words is "one billion, four hundred twelve million, six hundred forty-four thousand, two hundred twenty-one".