225450331144 has 8 divisors (see below), whose sum is σ = 422719370910. Its totient is φ = 112725165568.

The previous prime is 225450331109. The next prime is 225450331177. The reversal of 225450331144 is 441133054522.

It can be written as a sum of positive squares in only one way, i.e., 190802976100 + 34647355044 = 436810^2 + 186138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×225450331144³ (a number of 35 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 14090645689 + ... + 14090645704.

Almost surely, 2^225450331144 is an apocalyptic number.

It is an amenable number.

225450331144 is a deficient number, since it is larger than the sum of its proper divisors (197269039766).

225450331144 is a wasteful number, since it uses less digits than its factorization.

225450331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28181291399 (or 28181291395 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 225450331144 its reverse (441133054522), we get a palindrome (666583385666).

The spelling of 225450331144 in words is "two hundred twenty-five billion, four hundred fifty million, three hundred thirty-one thousand, one hundred forty-four".