4442221297 has 2 divisors, whose sum is σ = 4442221298. Its totient is φ = 4442221296.

The previous prime is 4442221283. The next prime is 4442221351. The reversal of 4442221297 is 7921222444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4422782016 + 19439281 = 66504^2 + 4409^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442221297 - 2³¹ = 2294737649 is a prime.

It is not a weakly prime, because it can be changed into another prime (4442221697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221110648 + 2221110649.

It is an arithmetic number, because the mean of its divisors is an integer number (2221110649).

Almost surely, 2^4442221297 is an apocalyptic number.

It is an amenable number.

4442221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442221297 is an equidigital number, since it uses as much as digits as its factorization.

4442221297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 4442221297 is about 66649.9909752432. The cubic root of 4442221297 is about 1643.8671995121.

The spelling of 4442221297 in words is "four billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred ninety-seven".