1072227805 has 16 divisors (see below), whose sum is σ = 1426658688. Its totient is φ = 767016000.

The previous prime is 1072227769. The next prime is 1072227809. The reversal of 1072227805 is 5087222701.

It is not a de Polignac number, because 1072227805 - 2¹⁷ = 1072096733 is a prime.

It is a super-2 number, since 2×1072227805² = 2299344931630236050, 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 (1072227809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156441 + ... + 163150.

It is an arithmetic number, because the mean of its divisors is an integer number (89166168).

Almost surely, 2^1072227805 is an apocalyptic number.

It is an amenable number.

1072227805 is a deficient number, since it is larger than the sum of its proper divisors (354430883).

1072227805 is a wasteful number, since it uses less digits than its factorization.

1072227805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319668.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1072227805 is about 32744.8897539754. The cubic root of 1072227805 is about 1023.5184799299.

The spelling of 1072227805 in words is "one billion, seventy-two million, two hundred twenty-seven thousand, eight hundred five".