22048587766 has 4 divisors (see below), whose sum is σ = 33072881652. Its totient is φ = 11024293882.

The previous prime is 22048587721. The next prime is 22048587779. The reversal of 22048587766 is 66778584022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66778584022 = 2 ⋅33389292011.

It is a super-2 number, since 2×22048587766² (a number of 21 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 as a sum of consecutive naturals, namely, 5512146940 + ... + 5512146943.

It is an arithmetic number, because the mean of its divisors is an integer number (8268220413).

Almost surely, 2^22048587766 is an apocalyptic number.

22048587766 is a deficient number, since it is larger than the sum of its proper divisors (11024293886).

22048587766 is a wasteful number, since it uses less digits than its factorization.

22048587766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024293885.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 22048587766 in words is "twenty-two billion, forty-eight million, five hundred eighty-seven thousand, seven hundred sixty-six".