2251324406 has 8 divisors (see below), whose sum is σ = 3377491560. Its totient is φ = 1125493888.

The previous prime is 2251324381. The next prime is 2251324423. The reversal of 2251324406 is 6044231522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66716 + ... + 94623.

It is an arithmetic number, because the mean of its divisors is an integer number (422186445).

Almost surely, 2^2251324406 is an apocalyptic number.

2251324406 is a deficient number, since it is larger than the sum of its proper divisors (1126167154).

2251324406 is a wasteful number, since it uses less digits than its factorization.

2251324406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168318.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2251324406 is about 47448.1233137834. The cubic root of 2251324406 is about 1310.6277522767.

Adding to 2251324406 its reverse (6044231522), we get a palindrome (8295555928).

The spelling of 2251324406 in words is "two billion, two hundred fifty-one million, three hundred twenty-four thousand, four hundred six".