29950223 has 4 divisors (see below), whose sum is σ = 30081240. Its totient is φ = 29819208.

The previous prime is 29950189. The next prime is 29950241. The reversal of 29950223 is 32205992.

It is a happy number.

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 29950223 - 2⁶ = 29950159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29950223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29950253) 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, 65165 + ... + 65622.

It is an arithmetic number, because the mean of its divisors is an integer number (7520310).

Almost surely, 2^29950223 is an apocalyptic number.

29950223 is a deficient number, since it is larger than the sum of its proper divisors (131017).

29950223 is a wasteful number, since it uses less digits than its factorization.

29950223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131016.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 29950223 is about 5472.6796909741. The cubic root of 29950223 is about 310.5513013340.

The spelling of 29950223 in words is "twenty-nine million, nine hundred fifty thousand, two hundred twenty-three".