221232414142 has 8 divisors (see below), whose sum is σ = 335134251432. Its totient is φ = 109520997000.

The previous prime is 221232414121. The next prime is 221232414209. The reversal of 221232414142 is 241414232122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221232414142.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 547604784 + ... + 547605187.

It is an arithmetic number, because the mean of its divisors is an integer number (41891781429).

Almost surely, 2^221232414142 is an apocalyptic number.

221232414142 is a deficient number, since it is larger than the sum of its proper divisors (113901837290).

221232414142 is a wasteful number, since it uses less digits than its factorization.

221232414142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095210074.

The product of its digits is 6144, while the sum is 28.

Adding to 221232414142 its reverse (241414232122), we get a palindrome (462646646264).

The spelling of 221232414142 in words is "two hundred twenty-one billion, two hundred thirty-two million, four hundred fourteen thousand, one hundred forty-two".