22172216835 has 32 divisors (see below), whose sum is σ = 35964290880. Its totient is φ = 11663106048.

The previous prime is 22172216783. The next prime is 22172216837. The reversal of 22172216835 is 53861227122.

It is not a de Polignac number, because 22172216835 - 2¹⁸ = 22171954691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22172216793 and 22172216802.

It is not an unprimeable number, because it can be changed into a prime (22172216837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400311 + ... + 452319.

It is an arithmetic number, because the mean of its divisors is an integer number (1123884090).

Almost surely, 2^22172216835 is an apocalyptic number.

22172216835 is a deficient number, since it is larger than the sum of its proper divisors (13792074045).

22172216835 is a wasteful number, since it uses less digits than its factorization.

22172216835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52407.

The product of its digits is 80640, while the sum is 39.

The spelling of 22172216835 in words is "twenty-two billion, one hundred seventy-two million, two hundred sixteen thousand, eight hundred thirty-five".