29972266 has 16 divisors (see below), whose sum is σ = 47030400. Its totient is φ = 14298768.

The previous prime is 29972251. The next prime is 29972281. The reversal of 29972266 is 66227992.

It is an interprime number because it is at equal distance from previous prime (29972251) and next prime (29972281).

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 7 ways as a sum of consecutive naturals, for example, 32155 + ... + 33073.

It is an arithmetic number, because the mean of its divisors is an integer number (2939400).

Almost surely, 2^29972266 is an apocalyptic number.

29972266 is the 3463-rd centered pentagonal number.

29972266 is a deficient number, since it is larger than the sum of its proper divisors (17058134).

29972266 is a wasteful number, since it uses less digits than its factorization.

29972266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its digits is 163296, while the sum is 43.

The square root of 29972266 is about 5474.6932334150. The cubic root of 29972266 is about 310.6274699781.

The spelling of 29972266 in words is "twenty-nine million, nine hundred seventy-two thousand, two hundred sixty-six".