29139422 has 8 divisors (see below), whose sum is σ = 47071416. Its totient is φ = 13448952.

The previous prime is 29139373. The next prime is 29139437. The reversal of 29139422 is 22493192.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560348 + ... + 560399.

It is an arithmetic number, because the mean of its divisors is an integer number (5883927).

Almost surely, 2^29139422 is an apocalyptic number.

29139422 is a deficient number, since it is larger than the sum of its proper divisors (17931994).

29139422 is a wasteful number, since it uses less digits than its factorization.

29139422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120762.

The product of its digits is 7776, while the sum is 32.

The square root of 29139422 is about 5398.0942933595. The cubic root of 29139422 is about 307.7232503081.

The spelling of 29139422 in words is "twenty-nine million, one hundred thirty-nine thousand, four hundred twenty-two".