9224531861 has 2 divisors, whose sum is σ = 9224531862. Its totient is φ = 9224531860.

The previous prime is 9224531819. The next prime is 9224531887. The reversal of 9224531861 is 1681354229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8150658961 + 1073872900 = 90281^2 + 32770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9224531861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9224539861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4612265930 + 4612265931.

It is an arithmetic number, because the mean of its divisors is an integer number (4612265931).

Almost surely, 2^9224531861 is an apocalyptic number.

It is an amenable number.

9224531861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9224531861 is an equidigital number, since it uses as much as digits as its factorization.

9224531861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 9224531861 is about 96044.4264962835. The cubic root of 9224531861 is about 2097.2399008086.

The spelling of 9224531861 in words is "nine billion, two hundred twenty-four million, five hundred thirty-one thousand, eight hundred sixty-one".