29922021903 has 64 divisors (see below), whose sum is σ = 42915889152. Its totient is φ = 18513930240.

The previous prime is 29922021887. The next prime is 29922021907. The reversal of 29922021903 is 30912022992.

It is not a de Polignac number, because 29922021903 - 2⁴ = 29922021887 is a prime.

It is a super-2 number, since 2×29922021903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29922021907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49294626 + ... + 49295232.

It is an arithmetic number, because the mean of its divisors is an integer number (670560768).

Almost surely, 2^29922021903 is an apocalyptic number.

29922021903 is a deficient number, since it is larger than the sum of its proper divisors (12993867249).

29922021903 is a wasteful number, since it uses less digits than its factorization.

29922021903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 34992, while the sum is 39.

It can be divided in two parts, 299220 and 21903, that added together give a palindrome (321123).

The spelling of 29922021903 in words is "twenty-nine billion, nine hundred twenty-two million, twenty-one thousand, nine hundred three".