9047221401 has 4 divisors (see below), whose sum is σ = 12062961872. Its totient is φ = 6031480932.

The previous prime is 9047221369. The next prime is 9047221409. The reversal of 9047221401 is 1041227409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9047221401 - 2⁵ = 9047221369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9047221409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507870231 + ... + 1507870236.

It is an arithmetic number, because the mean of its divisors is an integer number (3015740468).

Almost surely, 2^9047221401 is an apocalyptic number.

It is an amenable number.

9047221401 is a deficient number, since it is larger than the sum of its proper divisors (3015740471).

9047221401 is a wasteful number, since it uses less digits than its factorization.

9047221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015740470.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9047221401 is about 95116.8828389577. The cubic root of 9047221401 is about 2083.7154224052.

The spelling of 9047221401 in words is "nine billion, forty-seven million, two hundred twenty-one thousand, four hundred one".