22003644230334 has 72 divisors (see below), whose sum is σ = 51640155578232. Its totient is φ = 6768224723520.

The previous prime is 22003644230327. The next prime is 22003644230357. The reversal of 22003644230334 is 43303244630022.

22003644230334 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 3 + 644 + 2 + 3 + 0 + 3 + 3 + 4 = 666.

It is a super-2 number, since 2×22003644230334² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8560044 + ... + 10829664.

It is an arithmetic number, because the mean of its divisors is an integer number (717224383031).

Almost surely, 2^{22003644230334} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22003644230334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25820077789116).

22003644230334 is an abundant number, since it is smaller than the sum of its proper divisors (29636511347898).

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

22003644230334 is a wasteful number, since it uses less digits than its factorization.

22003644230334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272842 (or 2272826 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 22003644230334 its reverse (43303244630022), we get a palindrome (65306888860356).

The spelling of 22003644230334 in words is "twenty-two trillion, three billion, six hundred forty-four million, two hundred thirty thousand, three hundred thirty-four".