9426000221 has 8 divisors (see below), whose sum is σ = 10294257504. Its totient is φ = 8559634320.

The previous prime is 9426000211. The next prime is 9426000223. The reversal of 9426000221 is 1220006249.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9426000221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9426000223) 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, 462410 + ... + 482363.

It is an arithmetic number, because the mean of its divisors is an integer number (1286782188).

Almost surely, 2^9426000221 is an apocalyptic number.

9426000221 is the 51896-th centered heptagonal number.

It is an amenable number.

9426000221 is a deficient number, since it is larger than the sum of its proper divisors (868257283).

9426000221 is a wasteful number, since it uses less digits than its factorization.

9426000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945691.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 9426000221 is about 97087.5904583073. The cubic root of 9426000221 is about 2112.3983286665.

The spelling of 9426000221 in words is "nine billion, four hundred twenty-six million, two hundred twenty-one", and thus it is an aban number.