29422813 has 8 divisors (see below), whose sum is σ = 34711040. Its totient is φ = 24405840.

The previous prime is 29422787. The next prime is 29422823. The reversal of 29422813 is 31822492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29422813 - 2⁵ = 29422781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29422823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67578 + ... + 68011.

It is an arithmetic number, because the mean of its divisors is an integer number (4338880).

Almost surely, 2^29422813 is an apocalyptic number.

It is an amenable number.

29422813 is a deficient number, since it is larger than the sum of its proper divisors (5288227).

29422813 is a wasteful number, since it uses less digits than its factorization.

29422813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135627.

The product of its digits is 6912, while the sum is 31.

The square root of 29422813 is about 5424.2799522149. The cubic root of 29422813 is about 308.7176055879.

The spelling of 29422813 in words is "twenty-nine million, four hundred twenty-two thousand, eight hundred thirteen".