52221692266 has 16 divisors (see below), whose sum is σ = 78542006400. Its totient is φ = 26041111488.

The previous prime is 52221692239. The next prime is 52221692269. The reversal of 52221692266 is 66229612225.

It is not an unprimeable number, because it can be changed into a prime (52221692269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211065 + ... + 1253443.

It is an arithmetic number, because the mean of its divisors is an integer number (4908875400).

Almost surely, 2^52221692266 is an apocalyptic number.

52221692266 is a deficient number, since it is larger than the sum of its proper divisors (26320314134).

52221692266 is a wasteful number, since it uses less digits than its factorization.

52221692266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44013.

The product of its digits is 311040, while the sum is 43.

The spelling of 52221692266 in words is "fifty-two billion, two hundred twenty-one million, six hundred ninety-two thousand, two hundred sixty-six".