21224550304134 has 12 divisors (see below), whose sum is σ = 45986525658996. Its totient is φ = 7074850101372.

The previous prime is 21224550304063. The next prime is 21224550304171. The reversal of 21224550304134 is 43140305542212.

It is a happy number.

21224550304134 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 4 + 550 + 30 + 41 + 34 = 666.

It is a super-2 number, since 2×21224550304134² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589570841764 + ... + 589570841799.

It is an arithmetic number, because the mean of its divisors is an integer number (3832210471583).

Almost surely, 2^{21224550304134} is an apocalyptic number.

21224550304134 is an abundant number, since it is smaller than the sum of its proper divisors (24761975354862).

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

21224550304134 is a wasteful number, since it uses less digits than its factorization.

21224550304134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179141683571 (or 1179141683568 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 21224550304134 its reverse (43140305542212), we get a palindrome (64364855846346).

The spelling of 21224550304134 in words is "twenty-one trillion, two hundred twenty-four billion, five hundred fifty million, three hundred four thousand, one hundred thirty-four".