29622091 has 4 divisors (see below), whose sum is σ = 30910032. Its totient is φ = 28334152.

The previous prime is 29622067. The next prime is 29622139. The reversal of 29622091 is 19022692.

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

It is a cyclic number.

It is not a de Polignac number, because 29622091 - 2¹¹ = 29620043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29622191) 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 in 3 ways as a sum of consecutive naturals, for example, 643936 + ... + 643981.

It is an arithmetic number, because the mean of its divisors is an integer number (7727508).

Almost surely, 2^29622091 is an apocalyptic number.

29622091 is a deficient number, since it is larger than the sum of its proper divisors (1287941).

29622091 is a wasteful number, since it uses less digits than its factorization.

29622091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287940.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 29622091 is about 5442.6180281185. The cubic root of 29622091 is about 309.4130099338.

The spelling of 29622091 in words is "twenty-nine million, six hundred twenty-two thousand, ninety-one".