22261011272 has 16 divisors (see below), whose sum is σ = 41742211200. Its totient is φ = 11129754960.

The previous prime is 22261011257. The next prime is 22261011299. The reversal of 22261011272 is 27211016222.

It is a super-3 number, since 3×22261011272³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44129 + ... + 215567.

It is an arithmetic number, because the mean of its divisors is an integer number (2608888200).

Almost surely, 2^22261011272 is an apocalyptic number.

It is an amenable number.

22261011272 is a deficient number, since it is larger than the sum of its proper divisors (19481199928).

22261011272 is a wasteful number, since it uses less digits than its factorization.

22261011272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187676 (or 187672 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 22261011272 its reverse (27211016222), we get a palindrome (49472027494).

The spelling of 22261011272 in words is "twenty-two billion, two hundred sixty-one million, eleven thousand, two hundred seventy-two".