1065222101 has 8 divisors (see below), whose sum is σ = 1097219904. Its totient is φ = 1033552800.

The previous prime is 1065222071. The next prime is 1065222121. The reversal of 1065222101 is 1012225601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1065222101 - 2²² = 1061027797 is a prime.

It is a super-2 number, since 2×1065222101² = 2269396248917708402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75536 + ... + 88521.

It is an arithmetic number, because the mean of its divisors is an integer number (137152488).

Almost surely, 2^1065222101 is an apocalyptic number.

It is an amenable number.

1065222101 is a deficient number, since it is larger than the sum of its proper divisors (31997803).

1065222101 is a wasteful number, since it uses less digits than its factorization.

1065222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164251.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1065222101 is about 32637.7404395586. The cubic root of 1065222101 is about 1021.2844580269.

Adding to 1065222101 its reverse (1012225601), we get a palindrome (2077447702).

The spelling of 1065222101 in words is "one billion, sixty-five million, two hundred twenty-two thousand, one hundred one".