35221331441 has 2 divisors, whose sum is σ = 35221331442. Its totient is φ = 35221331440.

The previous prime is 35221331423. The next prime is 35221331447. The reversal of 35221331441 is 14413312253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26119408225 + 9101923216 = 161615^2 + 95404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35221331441 is a prime.

It is not a weakly prime, because it can be changed into another prime (35221331447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17610665720 + 17610665721.

It is an arithmetic number, because the mean of its divisors is an integer number (17610665721).

Almost surely, 2^35221331441 is an apocalyptic number.

It is an amenable number.

35221331441 is a deficient number, since it is larger than the sum of its proper divisors (1).

35221331441 is an equidigital number, since it uses as much as digits as its factorization.

35221331441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 35221331441 its reverse (14413312253), we get a palindrome (49634643694).

The spelling of 35221331441 in words is "thirty-five billion, two hundred twenty-one million, three hundred thirty-one thousand, four hundred forty-one".