22085823770 has 16 divisors (see below), whose sum is σ = 41125327560. Its totient is φ = 8529697344.

The previous prime is 22085823743. The next prime is 22085823791. The reversal of 22085823770 is 7732858022.

It is a Cunningham number, because it is equal to 148613²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11581418689 + 10504405081 = 107617^2 + 102491^2 .

It is a super-2 number, since 2×22085823770² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38078717 + ... + 38079296.

Almost surely, 2^22085823770 is an apocalyptic number.

22085823770 is a deficient number, since it is larger than the sum of its proper divisors (19039503790).

22085823770 is a wasteful number, since it uses less digits than its factorization.

22085823770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76158049.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 22085823770 in words is "twenty-two billion, eighty-five million, eight hundred twenty-three thousand, seven hundred seventy".