22012214223 has 16 divisors (see below), whose sum is σ = 29564682336. Its totient is φ = 14567669760.

The previous prime is 22012214221. The next prime is 22012214251. The reversal of 22012214223 is 32241221022.

It is not a de Polignac number, because 22012214223 - 2¹ = 22012214221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012214223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012214221) 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, 177183 + ... + 274623.

It is an arithmetic number, because the mean of its divisors is an integer number (1847792646).

Almost surely, 2^22012214223 is an apocalyptic number.

22012214223 is a deficient number, since it is larger than the sum of its proper divisors (7552468113).

22012214223 is a wasteful number, since it uses less digits than its factorization.

22012214223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97994.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22012214223 its reverse (32241221022), we get a palindrome (54253435245).

The spelling of 22012214223 in words is "twenty-two billion, twelve million, two hundred fourteen thousand, two hundred twenty-three".