225029879 has 16 divisors (see below), whose sum is σ = 239759520. Its totient is φ = 210833280.

The previous prime is 225029869. The next prime is 225029927. The reversal of 225029879 is 978920522.

It is a cyclic number.

It is not a de Polignac number, because 225029879 - 2¹² = 225025783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225029809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225209 + ... + 226205.

It is an arithmetic number, because the mean of its divisors is an integer number (14984970).

Almost surely, 2^225029879 is an apocalyptic number.

225029879 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

225029879 is a deficient number, since it is larger than the sum of its proper divisors (14729641).

225029879 is a wasteful number, since it uses less digits than its factorization.

225029879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 225029879 is about 15000.9959336039. The cubic root of 225029879 is about 608.2471213454.

The spelling of 225029879 in words is "two hundred twenty-five million, twenty-nine thousand, eight hundred seventy-nine".