29228027540225 has 24 divisors (see below), whose sum is σ = 36358886970840. Its totient is φ = 23307584256000.

The previous prime is 29228027540197. The next prime is 29228027540233. The reversal of 29228027540225 is 52204572082292.

It can be written as a sum of positive squares in 12 ways, for example, as 667895928001 + 28560131612224 = 817249^2 + 5344168^2 .

It is not a de Polignac number, because 29228027540225 - 2⁸ = 29228027539969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12425285 + ... + 14589165.

It is an arithmetic number, because the mean of its divisors is an integer number (1514953623785).

Almost surely, 2^{29228027540225} is an apocalyptic number.

29228027540225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29228027540225 is a deficient number, since it is larger than the sum of its proper divisors (7130859430615).

29228027540225 is a wasteful number, since it uses less digits than its factorization.

29228027540225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165621 (or 2165616 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 29228027540225 in words is "twenty-nine trillion, two hundred twenty-eight billion, twenty-seven million, five hundred forty thousand, two hundred twenty-five".