29128622 has 4 divisors (see below), whose sum is σ = 43692936. Its totient is φ = 14564310.

The previous prime is 29128621. The next prime is 29128651. The reversal of 29128622 is 22682192.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29128621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282154 + ... + 7282157.

It is an arithmetic number, because the mean of its divisors is an integer number (10923234).

Almost surely, 2^29128622 is an apocalyptic number.

29128622 is a deficient number, since it is larger than the sum of its proper divisors (14564314).

29128622 is a wasteful number, since it uses less digits than its factorization.

29128622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564313.

The product of its digits is 6912, while the sum is 32.

The square root of 29128622 is about 5397.0938476184. The cubic root of 29128622 is about 307.6852282570.

The spelling of 29128622 in words is "twenty-nine million, one hundred twenty-eight thousand, six hundred twenty-two".