22566651543442 has 32 divisors (see below), whose sum is σ = 34041396783744. Its totient is φ = 11219706019200.

The previous prime is 22566651543433. The next prime is 22566651543451. The reversal of 22566651543442 is 24434515666522.

It is an interprime number because it is at equal distance from previous prime (22566651543433) and next prime (22566651543451).

It is a super-4 number, since 4×22566651543442⁴ (a number of 55 digits) contains 4444 as substring.

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, 721632267 + ... + 721663537.

It is an arithmetic number, because the mean of its divisors is an integer number (1063793649492).

Almost surely, 2^{22566651543442} is an apocalyptic number.

22566651543442 is a deficient number, since it is larger than the sum of its proper divisors (11474745240302).

22566651543442 is a wasteful number, since it uses less digits than its factorization.

22566651543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194.

The product of its digits is 41472000, while the sum is 55.

The spelling of 22566651543442 in words is "twenty-two trillion, five hundred sixty-six billion, six hundred fifty-one million, five hundred forty-three thousand, four hundred forty-two".