225140019 has 16 divisors (see below), whose sum is σ = 323565312. Its totient is φ = 138424608.

The previous prime is 225140017. The next prime is 225140051. The reversal of 225140019 is 910041522.

It is not a de Polignac number, because 225140019 - 2¹ = 225140017 is a prime.

It is a super-2 number, since 2×225140019² = 101376056310640722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225140017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63282 + ... + 66744.

It is an arithmetic number, because the mean of its divisors is an integer number (20222832).

Almost surely, 2^225140019 is an apocalyptic number.

225140019 is a deficient number, since it is larger than the sum of its proper divisors (98425293).

225140019 is a wasteful number, since it uses less digits than its factorization.

225140019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 225140019 is about 15004.6665741029. Note that the first 3 decimals coincide. The cubic root of 225140019 is about 608.3463398900.

The spelling of 225140019 in words is "two hundred twenty-five million, one hundred forty thousand, nineteen".