1065222071 has 2 divisors, whose sum is σ = 1065222072. Its totient is φ = 1065222070.

The previous prime is 1065222047. The next prime is 1065222121. The reversal of 1065222071 is 1702225601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065222071 - 2⁶ = 1065222007 is a prime.

It is a super-2 number, since 2×1065222071² = 2269396121091058082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065222071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065222871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532611035 + 532611036.

It is an arithmetic number, because the mean of its divisors is an integer number (532611036).

Almost surely, 2^1065222071 is an apocalyptic number.

1065222071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065222071 is an equidigital number, since it uses as much as digits as its factorization.

1065222071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1065222071 is about 32637.7399799680. The cubic root of 1065222071 is about 1021.2844484394.

Adding to 1065222071 its reverse (1702225601), we get a palindrome (2767447672).

It can be divided in two parts, 10652 and 22071, that added together give a palindrome (32723).

The spelling of 1065222071 in words is "one billion, sixty-five million, two hundred twenty-two thousand, seventy-one".