9229138 has 8 divisors (see below), whose sum is σ = 13888332. Its totient is φ = 4599696.

The previous prime is 9229123. The next prime is 9229153. The reversal of 9229138 is 8319229.

It is an interprime number because it is at equal distance from previous prime (9229123) and next prime (9229153).

It can be written as a sum of positive squares in 2 ways, for example, as 7414729 + 1814409 = 2723^2 + 1347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6645 + ... + 7912.

Almost surely, 2^9229138 is an apocalyptic number.

9229138 is a deficient number, since it is larger than the sum of its proper divisors (4659194).

9229138 is a wasteful number, since it uses less digits than its factorization.

9229138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876.

The product of its digits is 7776, while the sum is 34.

The square root of 9229138 is about 3037.9496375022. The cubic root of 9229138 is about 209.7588918378.

Subtracting from 9229138 its reverse (8319229), we obtain a palindrome (909909).

It can be divided in two parts, 92291 and 38, that added together give a palindrome (92329).

The spelling of 9229138 in words is "nine million, two hundred twenty-nine thousand, one hundred thirty-eight".