29822231 has 2 divisors, whose sum is σ = 29822232. Its totient is φ = 29822230.

The previous prime is 29822227. The next prime is 29822239. The reversal of 29822231 is 13222892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29822231 - 2² = 29822227 is a prime.

It is a super-2 number, since 2×29822231² = 1778730923634722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29822194 and 29822203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29822239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14911115 + 14911116.

It is an arithmetic number, because the mean of its divisors is an integer number (14911116).

Almost surely, 2^29822231 is an apocalyptic number.

29822231 is a deficient number, since it is larger than the sum of its proper divisors (1).

29822231 is an equidigital number, since it uses as much as digits as its factorization.

29822231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 29822231 is about 5460.9734480219. The cubic root of 29822231 is about 310.1082902977.

The spelling of 29822231 in words is "twenty-nine million, eight hundred twenty-two thousand, two hundred thirty-one".