2231404401 has 16 divisors (see below), whose sum is σ = 3035225088. Its totient is φ = 1457845200.

The previous prime is 2231404379. The next prime is 2231404471. The reversal of 2231404401 is 1044041322.

It is not a de Polignac number, because 2231404401 - 2¹⁴ = 2231388017 is a prime.

It is a super-3 number, since 3×2231404401³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2231404471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206 + ... + 66936.

It is an arithmetic number, because the mean of its divisors is an integer number (189701568).

Almost surely, 2^2231404401 is an apocalyptic number.

It is an amenable number.

2231404401 is a deficient number, since it is larger than the sum of its proper divisors (803820687).

2231404401 is a wasteful number, since it uses less digits than its factorization.

2231404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62972.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2231404401 is about 47237.7433944510. The cubic root of 2231404401 is about 1306.7507612460.

Adding to 2231404401 its reverse (1044041322), we get a palindrome (3275445723).

The spelling of 2231404401 in words is "two billion, two hundred thirty-one million, four hundred four thousand, four hundred one".