29224217138 has 16 divisors (see below), whose sum is σ = 44774104320. Its totient is φ = 14299586496.

The previous prime is 29224217063. The next prime is 29224217161. The reversal of 29224217138 is 83171242292.

It is a super-2 number, since 2×29224217138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29224217095 and 29224217104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535243 + ... + 1554161.

It is an arithmetic number, because the mean of its divisors is an integer number (2798381520).

Almost surely, 2^29224217138 is an apocalyptic number.

29224217138 is a deficient number, since it is larger than the sum of its proper divisors (15549887182).

29224217138 is a wasteful number, since it uses less digits than its factorization.

29224217138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35401.

The product of its digits is 96768, while the sum is 41.

The spelling of 29224217138 in words is "twenty-nine billion, two hundred twenty-four million, two hundred seventeen thousand, one hundred thirty-eight".