1065642722 has 16 divisors (see below), whose sum is σ = 1695883392. Its totient is φ = 500473920.

The previous prime is 1065642713. The next prime is 1065642757. The reversal of 1065642722 is 2272465601.

It is a super-2 number, since 2×1065642722² = 2271188821903138568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14054 + ... + 48257.

It is an arithmetic number, because the mean of its divisors is an integer number (105992712).

Almost surely, 2^1065642722 is an apocalyptic number.

1065642722 is a deficient number, since it is larger than the sum of its proper divisors (630240670).

1065642722 is a wasteful number, since it uses less digits than its factorization.

1065642722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62833.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1065642722 is about 32644.1835860540. The cubic root of 1065642722 is about 1021.4188641633.

The spelling of 1065642722 in words is "one billion, sixty-five million, six hundred forty-two thousand, seven hundred twenty-two".