22251412230211 has 4 divisors (see below), whose sum is σ = 22356869160424. Its totient is φ = 22145955300000.

The previous prime is 22251412230199. The next prime is 22251412230233. The reversal of 22251412230211 is 11203221415222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22251412230211 is a prime.

It is a super-2 number, since 2×22251412230211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22251412230211.

It is not an unprimeable number, because it can be changed into a prime (22251412230251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52728464790 + ... + 52728465211.

It is an arithmetic number, because the mean of its divisors is an integer number (5589217290106).

Almost surely, 2^{22251412230211} is an apocalyptic number.

22251412230211 is a deficient number, since it is larger than the sum of its proper divisors (105456930213).

22251412230211 is a wasteful number, since it uses less digits than its factorization.

22251412230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105456930212.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 22251412230211 its reverse (11203221415222), we get a palindrome (33454633645433).

The spelling of 22251412230211 in words is "twenty-two trillion, two hundred fifty-one billion, four hundred twelve million, two hundred thirty thousand, two hundred eleven".