9223139261 has 4 divisors (see below), whose sum is σ = 10540730592. Its totient is φ = 7905547932.

The previous prime is 9223139209. The next prime is 9223139267. The reversal of 9223139261 is 1629313229.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9223139261 - 2¹⁸ = 9222877117 is a prime.

It is a super-2 number, since 2×9223139261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223139267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658795655 + ... + 658795668.

It is an arithmetic number, because the mean of its divisors is an integer number (2635182648).

Almost surely, 2^9223139261 is an apocalyptic number.

It is an amenable number.

9223139261 is a deficient number, since it is larger than the sum of its proper divisors (1317591331).

9223139261 is a wasteful number, since it uses less digits than its factorization.

9223139261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317591330.

The product of its digits is 34992, while the sum is 38.

The square root of 9223139261 is about 96037.1764526634. The cubic root of 9223139261 is about 2097.1343574844.

The spelling of 9223139261 in words is "nine billion, two hundred twenty-three million, one hundred thirty-nine thousand, two hundred sixty-one".