29228375 has 32 divisors (see below), whose sum is σ = 41221440. Its totient is φ = 20496000.

The previous prime is 29228371. The next prime is 29228383. The reversal of 29228375 is 57382292.

It is not a de Polignac number, because 29228375 - 2² = 29228371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29228371) 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 31 ways as a sum of consecutive naturals, for example, 39509 + ... + 40241.

It is an arithmetic number, because the mean of its divisors is an integer number (1288170).

Almost surely, 2^29228375 is an apocalyptic number.

29228375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29228375 is a deficient number, since it is larger than the sum of its proper divisors (11993065).

29228375 is a wasteful number, since it uses less digits than its factorization.

29228375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 778 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 29228375 is about 5406.3273115859. The cubic root of 29228375 is about 308.0360579306.

The spelling of 29228375 in words is "twenty-nine million, two hundred twenty-eight thousand, three hundred seventy-five".