22155114204 has 36 divisors (see below), whose sum is σ = 59297513184. Its totient is φ = 6950623872.

The previous prime is 22155114203. The next prime is 22155114209. The reversal of 22155114204 is 40241155122.

It is a happy number.

22155114204 is a `hidden beast` number, since 221 + 5 + 5 + 11 + 420 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155114203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18099972 + ... + 18101195.

It is an arithmetic number, because the mean of its divisors is an integer number (1647153144).

Almost surely, 2^22155114204 is an apocalyptic number.

It is an amenable number.

22155114204 is an abundant number, since it is smaller than the sum of its proper divisors (37142398980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22155114204 is a wasteful number, since it uses less digits than its factorization.

22155114204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36201194 (or 36201189 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 22155114204 its reverse (40241155122), we get a palindrome (62396269326).

The spelling of 22155114204 in words is "twenty-two billion, one hundred fifty-five million, one hundred fourteen thousand, two hundred four".