29172210022 has 4 divisors (see below), whose sum is σ = 43758315036. Its totient is φ = 14586105010.

The previous prime is 29172210013. The next prime is 29172210029. The reversal of 29172210022 is 22001227192.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29172210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7293052504 + ... + 7293052507.

It is an arithmetic number, because the mean of its divisors is an integer number (10939578759).

Almost surely, 2^29172210022 is an apocalyptic number.

29172210022 is a deficient number, since it is larger than the sum of its proper divisors (14586105014).

29172210022 is a wasteful number, since it uses less digits than its factorization.

29172210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586105013.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 29172210022 in words is "twenty-nine billion, one hundred seventy-two million, two hundred ten thousand, twenty-two".