22212371151 has 16 divisors (see below), whose sum is σ = 32930398720. Its totient is φ = 14797815480.

The previous prime is 22212371123. The next prime is 22212371171. The reversal of 22212371151 is 15117321222.

It is a happy number.

It is not a de Polignac number, because 22212371151 - 2⁵ = 22212371119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212371171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250645 + ... + 327486.

It is an arithmetic number, because the mean of its divisors is an integer number (2058149920).

Almost surely, 2^22212371151 is an apocalyptic number.

22212371151 is a deficient number, since it is larger than the sum of its proper divisors (10718027569).

22212371151 is a wasteful number, since it uses less digits than its factorization.

22212371151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579563 (or 579557 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

Adding to 22212371151 its reverse (15117321222), we get a palindrome (37329692373).

The spelling of 22212371151 in words is "twenty-two billion, two hundred twelve million, three hundred seventy-one thousand, one hundred fifty-one".