2231434406 has 48 divisors (see below), whose sum is σ = 3601357200. Its totient is φ = 1035635328.

The previous prime is 2231434393. The next prime is 2231434409. The reversal of 2231434406 is 6044341322.

It is a super-3 number, since 3×2231434406³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231434409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12466025 + ... + 12466203.

It is an arithmetic number, because the mean of its divisors is an integer number (75028275).

Almost surely, 2^2231434406 is an apocalyptic number.

2231434406 is a deficient number, since it is larger than the sum of its proper divisors (1369922794).

2231434406 is a wasteful number, since it uses less digits than its factorization.

2231434406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2231434406 is about 47238.0609889949. The cubic root of 2231434406 is about 1306.7566183766.

Adding to 2231434406 its reverse (6044341322), we get a palindrome (8275775728).

The spelling of 2231434406 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, four hundred six".