22771801025 has 12 divisors (see below), whose sum is σ = 28273776300. Its totient is φ = 18193735680.

The previous prime is 22771800983. The next prime is 22771801027. The reversal of 22771801025 is 52010817722.

It can be written as a sum of positive squares in 6 ways, for example, as 4555170064 + 18216630961 = 67492^2 + 134969^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22771801025 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22771801027) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 573020 + ... + 611469.

It is an arithmetic number, because the mean of its divisors is an integer number (2356148025).

Almost surely, 2^22771801025 is an apocalyptic number.

22771801025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22771801025 is a deficient number, since it is larger than the sum of its proper divisors (5501975275).

22771801025 is a wasteful number, since it uses less digits than its factorization.

22771801025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185268 (or 1185263 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 22771801025 in words is "twenty-two billion, seven hundred seventy-one million, eight hundred one thousand, twenty-five".