22048445481077 has 4 divisors (see below), whose sum is σ = 22644349413036. Its totient is φ = 21452541549120.

The previous prime is 22048445481071. The next prime is 22048445481121. The reversal of 22048445481077 is 77018454484022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13527382405681 + 8521063075396 = 3677959^2 + 2919086^2 .

It is a cyclic number.

It is not a de Polignac number, because 22048445481077 - 2⁴ = 22048445481061 is a prime.

It is a super-2 number, since 2×22048445481077² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048445481071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297951965924 + ... + 297951965997.

It is an arithmetic number, because the mean of its divisors is an integer number (5661087353259).

Almost surely, 2^{22048445481077} is an apocalyptic number.

It is an amenable number.

22048445481077 is a deficient number, since it is larger than the sum of its proper divisors (595903931959).

22048445481077 is an equidigital number, since it uses as much as digits as its factorization.

22048445481077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595903931958.

The product of its (nonzero) digits is 16056320, while the sum is 56.

The spelling of 22048445481077 in words is "twenty-two trillion, forty-eight billion, four hundred forty-five million, four hundred eighty-one thousand, seventy-seven".