22021606103466 has 32 divisors (see below), whose sum is σ = 44663938005888. Its totient is φ = 7237082914880.

The previous prime is 22021606103449. The next prime is 22021606103489. The reversal of 22021606103466 is 66430160612022.

It is a super-2 number, since 2×22021606103466² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81229396 + ... + 81500048.

It is an arithmetic number, because the mean of its divisors is an integer number (1395748062684).

Almost surely, 2^{22021606103466} is an apocalyptic number.

22021606103466 is an abundant number, since it is smaller than the sum of its proper divisors (22642331902422).

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

22021606103466 is a wasteful number, since it uses less digits than its factorization.

22021606103466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461726.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 22021606103466 its reverse (66430160612022), we get a palindrome (88451766715488).

The spelling of 22021606103466 in words is "twenty-two trillion, twenty-one billion, six hundred six million, one hundred three thousand, four hundred sixty-six".