29224138 has 4 divisors (see below), whose sum is σ = 43836210. Its totient is φ = 14612068.

The previous prime is 29224123. The next prime is 29224159. The reversal of 29224138 is 83142292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24039409 + 5184729 = 4903^2 + 2277^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7306033 + ... + 7306036.

Almost surely, 2^29224138 is an apocalyptic number.

29224138 is a deficient number, since it is larger than the sum of its proper divisors (14612072).

29224138 is a wasteful number, since it uses less digits than its factorization.

29224138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14612071.

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

The square root of 29224138 is about 5405.9354417159. The cubic root of 29224138 is about 308.0211727166.

The spelling of 29224138 in words is "twenty-nine million, two hundred twenty-four thousand, one hundred thirty-eight".