9221040401229 has 6 divisors (see below), whose sum is σ = 13319280579566. Its totient is φ = 6147360267480.

The previous prime is 9221040401227. The next prime is 9221040401257.

9221040401229 is a `hidden beast` number, since 9 + 2 + 21 + 0 + 4 + 0 + 401 + 229 = 666.

9221040401229 is nontrivially palindromic in base 10.

9221040401229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9150655250025 + 70385151204 = 3025005^2 + 265302^2 .

It is not a de Polignac number, because 9221040401229 - 2¹ = 9221040401227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9221040401193 and 9221040401202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221040401227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512280022282 + ... + 512280022299.

Almost surely, 2^{9221040401229} is an apocalyptic number.

It is an amenable number.

9221040401229 is a deficient number, since it is larger than the sum of its proper divisors (4098240178337).

9221040401229 is a wasteful number, since it uses less digits than its factorization.

9221040401229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024560044587 (or 1024560044584 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

It can be divided in two parts, 9221040 and 401229, that added together give a palindrome (9622269).

The spelling of 9221040401229 in words is "nine trillion, two hundred twenty-one billion, forty million, four hundred one thousand, two hundred twenty-nine".