9393222420 has 72 divisors (see below), whose sum is σ = 28516629960. Its totient is φ = 2502762240.

The previous prime is 9393222403. The next prime is 9393222469. The reversal of 9393222420 is 242223939.

9393222420 is a `hidden beast` number, since 9 + 3 + 9 + 3 + 222 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6868762884 + 2524459536 = 82878^2 + 50244^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199990 + ... + 242450.

It is an arithmetic number, because the mean of its divisors is an integer number (396064305).

Almost surely, 2^9393222420 is an apocalyptic number.

9393222420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9393222420 is an abundant number, since it is smaller than the sum of its proper divisors (19123407540).

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

9393222420 is a wasteful number, since it uses less digits than its factorization.

9393222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43705 (or 43700 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 9393222420 is about 96918.6381456116. The cubic root of 9393222420 is about 2109.9469465483.

The spelling of 9393222420 in words is "nine billion, three hundred ninety-three million, two hundred twenty-two thousand, four hundred twenty".