29422231 has 2 divisors, whose sum is σ = 29422232. Its totient is φ = 29422230.

The previous prime is 29422229. The next prime is 29422249. The reversal of 29422231 is 13222492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29422231 - 2¹ = 29422229 is a prime.

It is a super-2 number, since 2×29422231² = 1731335354034722, which contains 22 as substring.

Together with 29422229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 29422196 and 29422205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29422031) 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, 14711115 + 14711116.

It is an arithmetic number, because the mean of its divisors is an integer number (14711116).

Almost surely, 2^29422231 is an apocalyptic number.

29422231 is a deficient number, since it is larger than the sum of its proper divisors (1).

29422231 is an equidigital number, since it uses as much as digits as its factorization.

29422231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 29422231 is about 5424.2263042760. The cubic root of 29422231 is about 308.7155700378.

The spelling of 29422231 in words is "twenty-nine million, four hundred twenty-two thousand, two hundred thirty-one".