29997471157228 has 24 divisors (see below), whose sum is σ = 52825780335888. Its totient is φ = 14904478954176.

The previous prime is 29997471157219. The next prime is 29997471157237. The reversal of 29997471157228 is 82275117479992.

It is an interprime number because it is at equal distance from previous prime (29997471157219) and next prime (29997471157237).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9620226 + ... + 12350857.

It is an arithmetic number, because the mean of its divisors is an integer number (2201074180662).

Almost surely, 2^{29997471157228} is an apocalyptic number.

It is an amenable number.

29997471157228 is a deficient number, since it is larger than the sum of its proper divisors (22828309178660).

29997471157228 is a wasteful number, since it uses less digits than its factorization.

29997471157228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21973233 (or 21973231 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 73.

The spelling of 29997471157228 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred seventy-one million, one hundred fifty-seven thousand, two hundred twenty-eight".