29955229 has 16 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 27518400.

The previous prime is 29955221. The next prime is 29955239. The reversal of 29955229 is 92255992.

It is a cyclic number.

It is not a de Polignac number, because 29955229 - 2³ = 29955221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29955221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151959 + ... + 152155.

It is an arithmetic number, because the mean of its divisors is an integer number (2031480).

Almost surely, 2^29955229 is an apocalyptic number.

It is an amenable number.

29955229 is a deficient number, since it is larger than the sum of its proper divisors (2548451).

29955229 is a wasteful number, since it uses less digits than its factorization.

29955229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its digits is 145800, while the sum is 43.

The square root of 29955229 is about 5473.1370346448. The cubic root of 29955229 is about 310.5686026321.

The spelling of 29955229 in words is "twenty-nine million, nine hundred fifty-five thousand, two hundred twenty-nine".