22666156514020 has 12 divisors (see below), whose sum is σ = 47598928679484. Its totient is φ = 9066462605600.

The previous prime is 22666156513921. The next prime is 22666156514041. The reversal of 22666156514020 is 2041565166622.

It can be written as a sum of positive squares in 2 ways, for example, as 2755141859044 + 19911014654976 = 1659862^2 + 4462176^2 .

It is a super-2 number, since 2×22666156514020² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566653912831 + ... + 566653912870.

It is an arithmetic number, because the mean of its divisors is an integer number (3966577389957).

Almost surely, 2^{22666156514020} is an apocalyptic number.

22666156514020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22666156514020 is an abundant number, since it is smaller than the sum of its proper divisors (24932772165464).

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

22666156514020 is a wasteful number, since it uses less digits than its factorization.

22666156514020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133307825710 (or 1133307825708 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 22666156514020 in words is "twenty-two trillion, six hundred sixty-six billion, one hundred fifty-six million, five hundred fourteen thousand, twenty".