9072238 has 16 divisors (see below), whose sum is σ = 15773184. Its totient is φ = 3832920.

The previous prime is 9072229. The next prime is 9072247. The reversal of 9072238 is 8322709.

It is an interprime number because it is at equal distance from previous prime (9072229) and next prime (9072247).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570 + ... + 5557.

It is an arithmetic number, because the mean of its divisors is an integer number (985824).

Almost surely, 2^9072238 is an apocalyptic number.

9072238 is a deficient number, since it is larger than the sum of its proper divisors (6700946).

9072238 is a wasteful number, since it uses less digits than its factorization.

9072238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 9072238 is about 3012.0156042092. The cubic root of 9072238 is about 208.5634225184.

The spelling of 9072238 in words is "nine million, seventy-two thousand, two hundred thirty-eight".