28462220266 has 8 divisors (see below), whose sum is σ = 42697939680. Its totient is φ = 14229573708.

The previous prime is 28462220263. The next prime is 28462220273. The reversal of 28462220266 is 66202226482.

It is a happy number.

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

It is a super-2 number, since 2×28462220266² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28462220263) 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 3 ways as a sum of consecutive naturals, for example, 744916 + ... + 782191.

It is an arithmetic number, because the mean of its divisors is an integer number (5337242460).

Almost surely, 2^28462220266 is an apocalyptic number.

28462220266 is a deficient number, since it is larger than the sum of its proper divisors (14235719414).

28462220266 is a wasteful number, since it uses less digits than its factorization.

28462220266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536428.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 28462220266 in words is "twenty-eight billion, four hundred sixty-two million, two hundred twenty thousand, two hundred sixty-six".