22771801026 has 40 divisors (see below), whose sum is σ = 54950761404. Its totient is φ = 7006707360.

The previous prime is 22771800983. The next prime is 22771801027. The reversal of 22771801026 is 62010817722.

It can be written as a sum of positive squares in 2 ways, for example, as 22766283225 + 5517801 = 150885^2 + 2349^2 .

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 19 ways as a sum of consecutive naturals, for example, 5404305 + ... + 5408516.

Almost surely, 2^22771801026 is an apocalyptic number.

22771801026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22771801026 is an abundant number, since it is smaller than the sum of its proper divisors (32178960378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22771801026 is a wasteful number, since it uses less digits than its factorization.

22771801026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812848 (or 10812839 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 22771801026 in words is "twenty-two billion, seven hundred seventy-one million, eight hundred one thousand, twenty-six".