221312032022 has 8 divisors (see below), whose sum is σ = 331982165736. Its totient is φ = 110651310112.

The previous prime is 221312032009. The next prime is 221312032031. The reversal of 221312032022 is 220230213122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221312031985 and 221312032003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293868 + ... + 2388399.

It is an arithmetic number, because the mean of its divisors is an integer number (41497770717).

Almost surely, 2^221312032022 is an apocalyptic number.

221312032022 is a deficient number, since it is larger than the sum of its proper divisors (110670133714).

221312032022 is a wasteful number, since it uses less digits than its factorization.

221312032022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705902.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221312032022 its reverse (220230213122), we get a palindrome (441542245144).

The spelling of 221312032022 in words is "two hundred twenty-one billion, three hundred twelve million, thirty-two thousand, twenty-two".