9228812621 has 8 divisors (see below), whose sum is σ = 10547807424. Its totient is φ = 7909966080.

The previous prime is 9228812611. The next prime is 9228812633. The reversal of 9228812621 is 1262188229.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9228812621 - 2¹⁰ = 9228811597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9228812611) 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, 185186 + ... + 229676.

It is an arithmetic number, because the mean of its divisors is an integer number (1318475928).

Almost surely, 2^9228812621 is an apocalyptic number.

It is an amenable number.

9228812621 is a deficient number, since it is larger than the sum of its proper divisors (1318994803).

9228812621 is a wasteful number, since it uses less digits than its factorization.

9228812621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74131.

The product of its digits is 55296, while the sum is 41.

The square root of 9228812621 is about 96066.7092233308. The cubic root of 9228812621 is about 2097.5642674872.

The spelling of 9228812621 in words is "nine billion, two hundred twenty-eight million, eight hundred twelve thousand, six hundred twenty-one".