9122215892 has 12 divisors (see below), whose sum is σ = 16202145120. Its totient is φ = 4493031576.

The previous prime is 9122215891. The next prime is 9122215931. The reversal of 9122215892 is 2985122219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9122215891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17018792 + ... + 17019327.

It is an arithmetic number, because the mean of its divisors is an integer number (1350178760).

Almost surely, 2^9122215892 is an apocalyptic number.

It is an amenable number.

9122215892 is a deficient number, since it is larger than the sum of its proper divisors (7079929228).

9122215892 is a wasteful number, since it uses less digits than its factorization.

9122215892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34038190 (or 34038188 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 9122215892 is about 95510.2920736818. The cubic root of 9122215892 is about 2089.4570517929.

The spelling of 9122215892 in words is "nine billion, one hundred twenty-two million, two hundred fifteen thousand, eight hundred ninety-two".