225878270 has 32 divisors (see below), whose sum is σ = 428820480. Its totient is φ = 85428000.

The previous prime is 225878267. The next prime is 225878273. The reversal of 225878270 is 72878522.

225878270 = T₂₁₃₃ + T₂₁₃₄ + ... + T₂₂₂₇.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225878267) and next prime (225878273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225878273) 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, 141899 + ... + 143481.

It is an arithmetic number, because the mean of its divisors is an integer number (13400640).

Almost surely, 2^225878270 is an apocalyptic number.

225878270 is a deficient number, since it is larger than the sum of its proper divisors (202942210).

225878270 is a wasteful number, since it uses less digits than its factorization.

225878270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 225878270 is about 15029.2471534671. The cubic root of 225878270 is about 609.0105521686.

The spelling of 225878270 in words is "two hundred twenty-five million, eight hundred seventy-eight thousand, two hundred seventy".