221924429122 has 8 divisors (see below), whose sum is σ = 363149065872. Its totient is φ = 100874740500.

The previous prime is 221924429119. The next prime is 221924429137.

221924429122 is nontrivially palindromic in base 10.

221924429122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×221924429122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043737004 + ... + 5043737047.

It is an arithmetic number, because the mean of its divisors is an integer number (45393633234).

Almost surely, 2^221924429122 is an apocalyptic number.

221924429122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221924429122 is a deficient number, since it is larger than the sum of its proper divisors (141224636750).

221924429122 is a wasteful number, since it uses less digits than its factorization.

221924429122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087474064.

The product of its digits is 82944, while the sum is 40.

The spelling of 221924429122 in words is "two hundred twenty-one billion, nine hundred twenty-four million, four hundred twenty-nine thousand, one hundred twenty-two".