9220401816 has 16 divisors (see below), whose sum is σ = 23051004600. Its totient is φ = 3073467264.

The previous prime is 9220401791. The next prime is 9220401821. The reversal of 9220401816 is 6181040229.

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 3 ways as a sum of consecutive naturals, for example, 192091681 + ... + 192091728.

Almost surely, 2^9220401816 is an apocalyptic number.

It is an amenable number.

9220401816 is an abundant number, since it is smaller than the sum of its proper divisors (13830602784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9220401816 is a wasteful number, since it uses less digits than its factorization.

9220401816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384183418 (or 384183414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 9220401816 is about 96022.9233881160. The cubic root of 9220401816 is about 2096.9268591532.

The spelling of 9220401816 in words is "nine billion, two hundred twenty million, four hundred one thousand, eight hundred sixteen".