9922533857 has 2 divisors, whose sum is σ = 9922533858. Its totient is φ = 9922533856.

The previous prime is 9922533767. The next prime is 9922533869. The reversal of 9922533857 is 7583352299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8649186001 + 1273347856 = 93001^2 + 35684^2 .

It is a cyclic number.

It is not a de Polignac number, because 9922533857 - 2²² = 9918339553 is a prime.

It is a super-2 number, since 2×9922533857² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9922533799 and 9922533808.

It is not a weakly prime, because it can be changed into another prime (9922533877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961266928 + 4961266929.

It is an arithmetic number, because the mean of its divisors is an integer number (4961266929).

Almost surely, 2^9922533857 is an apocalyptic number.

It is an amenable number.

9922533857 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922533857 is an equidigital number, since it uses as much as digits as its factorization.

9922533857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 9922533857 is about 99611.9162399760. The cubic root of 9922533857 is about 2148.8570710615.

The spelling of 9922533857 in words is "nine billion, nine hundred twenty-two million, five hundred thirty-three thousand, eight hundred fifty-seven".