9022891869 has 12 divisors (see below), whose sum is σ = 13033949500. Its totient is φ = 6014853504.

The previous prime is 9022891861. The next prime is 9022891873. The reversal of 9022891869 is 9681982209.

It can be written as a sum of positive squares in 2 ways, for example, as 5475260025 + 3547631844 = 73995^2 + 59562^2 .

It is not a de Polignac number, because 9022891869 - 2³ = 9022891861 is a prime.

It is a super-2 number, since 2×9022891869² (a number of 21 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 (9022891861) 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 11 ways as a sum of consecutive naturals, for example, 171687 + ... + 217995.

Almost surely, 2^9022891869 is an apocalyptic number.

It is an amenable number.

9022891869 is a deficient number, since it is larger than the sum of its proper divisors (4011057631).

9022891869 is a wasteful number, since it uses less digits than its factorization.

9022891869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67964 (or 67961 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 9022891869 is about 94988.9039256691. The cubic root of 9022891869 is about 2081.8459227335.

The spelling of 9022891869 in words is "nine billion, twenty-two million, eight hundred ninety-one thousand, eight hundred sixty-nine".