223040144225 has 12 divisors (see below), whose sum is σ = 288594552576. Its totient is φ = 170674196880.

The previous prime is 223040144219. The next prime is 223040144231. The reversal of 223040144225 is 522441040322.

It is an interprime number because it is at equal distance from previous prime (223040144219) and next prime (223040144231).

It is not a de Polignac number, because 223040144225 - 2¹⁸ = 223039882081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193947377 + ... + 193948526.

It is an arithmetic number, because the mean of its divisors is an integer number (24049546048).

Almost surely, 2^223040144225 is an apocalyptic number.

223040144225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223040144225 is a deficient number, since it is larger than the sum of its proper divisors (65554408351).

223040144225 is a wasteful number, since it uses less digits than its factorization.

223040144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387895936 (or 387895931 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 223040144225 its reverse (522441040322), we get a palindrome (745481184547).

The spelling of 223040144225 in words is "two hundred twenty-three billion, forty million, one hundred forty-four thousand, two hundred twenty-five".