29221994 has 8 divisors (see below), whose sum is σ = 44095968. Its totient is φ = 14523340.

The previous prime is 29221991. The next prime is 29221999. The reversal of 29221994 is 49912292.

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

It is not an unprimeable number, because it can be changed into a prime (29221991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43412 + ... + 44079.

It is an arithmetic number, because the mean of its divisors is an integer number (5511996).

Almost surely, 2^29221994 is an apocalyptic number.

29221994 is a deficient number, since it is larger than the sum of its proper divisors (14873974).

29221994 is a wasteful number, since it uses less digits than its factorization.

29221994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87660.

The product of its digits is 23328, while the sum is 38.

The square root of 29221994 is about 5405.7371375234. The cubic root of 29221994 is about 308.0136399761.

The spelling of 29221994 in words is "twenty-nine million, two hundred twenty-one thousand, nine hundred ninety-four".