2251403122 has 8 divisors (see below), whose sum is σ = 3377378736. Its totient is φ = 1125610212.

The previous prime is 2251403101. The next prime is 2251403129. The reversal of 2251403122 is 2213041522.

It is a happy number.

2251403122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2251403093 and 2251403102.

It is not an unprimeable number, because it can be changed into a prime (2251403129) 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, 8968 + ... + 67699.

It is an arithmetic number, because the mean of its divisors is an integer number (422172342).

Almost surely, 2^2251403122 is an apocalyptic number.

2251403122 is a deficient number, since it is larger than the sum of its proper divisors (1125975614).

2251403122 is a wasteful number, since it uses less digits than its factorization.

2251403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91352.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2251403122 is about 47448.9528019323. The cubic root of 2251403122 is about 1310.6430271628.

Adding to 2251403122 its reverse (2213041522), we get a palindrome (4464444644).

The spelling of 2251403122 in words is "two billion, two hundred fifty-one million, four hundred three thousand, one hundred twenty-two".