9629222138 has 4 divisors (see below), whose sum is σ = 14443833210. Its totient is φ = 4814611068.

The previous prime is 9629222129. The next prime is 9629222179. The reversal of 9629222138 is 8312229269.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6162721009 + 3466501129 = 78503^2 + 58877^2 .

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 as a sum of consecutive naturals, namely, 2407305533 + ... + 2407305536.

Almost surely, 2^9629222138 is an apocalyptic number.

9629222138 is a deficient number, since it is larger than the sum of its proper divisors (4814611072).

9629222138 is a wasteful number, since it uses less digits than its factorization.

9629222138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814611071.

The product of its digits is 186624, while the sum is 44.

The square root of 9629222138 is about 98128.6000002038. The cubic root of 9629222138 is about 2127.4714231022.

The spelling of 9629222138 in words is "nine billion, six hundred twenty-nine million, two hundred twenty-two thousand, one hundred thirty-eight".