29220943 has 4 divisors (see below), whose sum is σ = 30939840. Its totient is φ = 27502048.

The previous prime is 29220937. The next prime is 29221019. The reversal of 29220943 is 34902292.

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 29220943 - 2⁹ = 29220431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29200943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859423 + ... + 859456.

It is an arithmetic number, because the mean of its divisors is an integer number (7734960).

Almost surely, 2^29220943 is an apocalyptic number.

29220943 is a deficient number, since it is larger than the sum of its proper divisors (1718897).

29220943 is a wasteful number, since it uses less digits than its factorization.

29220943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718896.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 29220943 is about 5405.6399251152. The cubic root of 29220943 is about 308.0099472528.

The spelling of 29220943 in words is "twenty-nine million, two hundred twenty thousand, nine hundred forty-three".