22002251271 has 128 divisors (see below), whose sum is σ = 41001418752. Its totient is φ = 10124352000.

The previous prime is 22002251263. The next prime is 22002251311. The reversal of 22002251271 is 17215220022.

It is not a de Polignac number, because 22002251271 - 2³ = 22002251263 is a prime.

It is a super-2 number, since 2×22002251271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002251231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11821881 + ... + 11823741.

It is an arithmetic number, because the mean of its divisors is an integer number (320323584).

Almost surely, 2^22002251271 is an apocalyptic number.

22002251271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22002251271 is a deficient number, since it is larger than the sum of its proper divisors (18999167481).

22002251271 is a wasteful number, since it uses less digits than its factorization.

22002251271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 22002251271 its reverse (17215220022), we get a palindrome (39217471293).

The spelling of 22002251271 in words is "twenty-two billion, two million, two hundred fifty-one thousand, two hundred seventy-one".