22501260266 has 32 divisors (see below), whose sum is σ = 35088076800. Its totient is φ = 10813720320.

The previous prime is 22501260263. The next prime is 22501260277. The reversal of 22501260266 is 66206210522.

It is not an unprimeable number, because it can be changed into a prime (22501260263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7654625 + ... + 7657563.

It is an arithmetic number, because the mean of its divisors is an integer number (1096502400).

Almost surely, 2^22501260266 is an apocalyptic number.

22501260266 is a deficient number, since it is larger than the sum of its proper divisors (12586816534).

22501260266 is a wasteful number, since it uses less digits than its factorization.

22501260266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 22501260266 its reverse (66206210522), we get a palindrome (88707470788).

The spelling of 22501260266 in words is "twenty-two billion, five hundred one million, two hundred sixty thousand, two hundred sixty-six".