1528222441 has 2 divisors, whose sum is σ = 1528222442. Its totient is φ = 1528222440.

The previous prime is 1528222439. The next prime is 1528222481. The reversal of 1528222441 is 1442228251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1399059216 + 129163225 = 37404^2 + 11365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1528222441 - 2¹ = 1528222439 is a prime.

Together with 1528222439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1528222481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764111220 + 764111221.

It is an arithmetic number, because the mean of its divisors is an integer number (764111221).

Almost surely, 2^1528222441 is an apocalyptic number.

It is an amenable number.

1528222441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1528222441 is an equidigital number, since it uses as much as digits as its factorization.

1528222441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 31.

The square root of 1528222441 is about 39092.4857357523. The cubic root of 1528222441 is about 1151.8489327470.

The spelling of 1528222441 in words is "one billion, five hundred twenty-eight million, two hundred twenty-two thousand, four hundred forty-one".