29042225 has 12 divisors (see below), whose sum is σ = 36986844. Its totient is φ = 22605120.

The previous prime is 29042207. The next prime is 29042231. The reversal of 29042225 is 52224092.

It can be written as a sum of positive squares in 6 ways, for example, as 65536 + 28976689 = 256^2 + 5383^2 .

It is not a de Polignac number, because 29042225 - 2¹² = 29038129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29042194 and 29042203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14774 + ... + 16623.

It is an arithmetic number, because the mean of its divisors is an integer number (3082237).

Almost surely, 2^29042225 is an apocalyptic number.

29042225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29042225 is a deficient number, since it is larger than the sum of its proper divisors (7944619).

29042225 is a wasteful number, since it uses less digits than its factorization.

29042225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31444 (or 31439 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 29042225 is about 5389.0838739066. The cubic root of 29042225 is about 307.3807235637.

The spelling of 29042225 in words is "twenty-nine million, forty-two thousand, two hundred twenty-five".