9215507338 has 16 divisors (see below), whose sum is σ = 14755746240. Its totient is φ = 4303756800.

The previous prime is 9215507333. The next prime is 9215507377. The reversal of 9215507338 is 8337055129.

It is a junction number, because it is equal to n+sod(n) for n = 9215507294 and 9215507303.

It is not an unprimeable number, because it can be changed into a prime (9215507333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705143 + ... + 1710538.

It is an arithmetic number, because the mean of its divisors is an integer number (922234140).

Almost surely, 2^9215507338 is an apocalyptic number.

9215507338 is a deficient number, since it is larger than the sum of its proper divisors (5540238902).

9215507338 is a wasteful number, since it uses less digits than its factorization.

9215507338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415773.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 9215507338 is about 95997.4340177903. The cubic root of 9215507338 is about 2096.5557553352. Note that the first 3 decimals are identical.

The spelling of 9215507338 in words is "nine billion, two hundred fifteen million, five hundred seven thousand, three hundred thirty-eight".