29148225 has 24 divisors (see below), whose sum is σ = 49223040. Its totient is φ = 15213120.

The previous prime is 29148221. The next prime is 29148233. The reversal of 29148225 is 52284192.

It is not a de Polignac number, because 29148225 - 2² = 29148221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29148221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (2050960).

Almost surely, 2^29148225 is an apocalyptic number.

29148225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29148225 is a deficient number, since it is larger than the sum of its proper divisors (20074815).

29148225 is a wasteful number, since it uses less digits than its factorization.

29148225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329 (or 8324 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 29148225 is about 5398.9096121347. The cubic root of 29148225 is about 307.7542348512.

It can be divided in two parts, 291 and 48225, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 29148225 in words is "twenty-nine million, one hundred forty-eight thousand, two hundred twenty-five".