9122162420 has 36 divisors (see below), whose sum is σ = 22284142020. Its totient is φ = 3127598208.

The previous prime is 9122162381. The next prime is 9122162443. The reversal of 9122162420 is 242612219.

It can be written as a sum of positive squares in 2 ways, for example, as 2370910864 + 6751251556 = 48692^2 + 82166^2 .

It is a congruent number.

It is an unprimeable number.

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, 4653185 + ... + 4655144.

It is an arithmetic number, because the mean of its divisors is an integer number (619003945).

Almost surely, 2^9122162420 is an apocalyptic number.

It is an amenable number.

9122162420 is an abundant number, since it is smaller than the sum of its proper divisors (13161979600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9122162420 is a wasteful number, since it uses less digits than its factorization.

9122162420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308352 (or 9308343 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9122162420 is about 95510.0121453243. The cubic root of 9122162420 is about 2089.4529691713.

Adding to 9122162420 its reverse (242612219), we get a palindrome (9364774639).

The spelling of 9122162420 in words is "nine billion, one hundred twenty-two million, one hundred sixty-two thousand, four hundred twenty".