29422491 has 12 divisors (see below), whose sum is σ = 45635112. Its totient is φ = 16812768.

The previous prime is 29422487. The next prime is 29422493. The reversal of 29422491 is 19422492.

It is not a de Polignac number, because 29422491 - 2² = 29422487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29422493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99930 + ... + 100223.

It is an arithmetic number, because the mean of its divisors is an integer number (3802926).

Almost surely, 2^29422491 is an apocalyptic number.

29422491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29422491 is a deficient number, since it is larger than the sum of its proper divisors (16212621).

29422491 is a wasteful number, since it uses less digits than its factorization.

29422491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200170 (or 200163 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 29422491 is about 5424.2502707748. The cubic root of 29422491 is about 308.7164793934.

Subtracting from 29422491 its reverse (19422492), we obtain a palindrome (9999999).

The spelling of 29422491 in words is "twenty-nine million, four hundred twenty-two thousand, four hundred ninety-one".