2234401225 has 18 divisors (see below), whose sum is σ = 3223011534. Its totient is φ = 1532160000.

The previous prime is 2234401223. The next prime is 2234401237. The reversal of 2234401225 is 5221044322.

It can be written as a sum of positive squares in 3 ways, for example, as 26904969 + 2207496256 = 5187^2 + 46984^2 .

It is not a de Polignac number, because 2234401225 - 2¹ = 2234401223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2234401225.

It is not an unprimeable number, because it can be changed into a prime (2234401223) 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 17 ways as a sum of consecutive naturals, for example, 910776 + ... + 913225.

Almost surely, 2^2234401225 is an apocalyptic number.

2234401225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2234401225 is a deficient number, since it is larger than the sum of its proper divisors (988610309).

2234401225 is a wasteful number, since it uses less digits than its factorization.

2234401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824025 (or 1824013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2234401225 is about 47269.4534028055. The cubic root of 2234401225 is about 1307.3354976586.

Adding to 2234401225 its reverse (5221044322), we get a palindrome (7455445547).

The spelling of 2234401225 in words is "two billion, two hundred thirty-four million, four hundred one thousand, two hundred twenty-five".