221440430220022 has 8 divisors (see below), whose sum is σ = 357711464201616. Its totient is φ = 102203275486152.

The previous prime is 221440430220019. The next prime is 221440430220041. The reversal of 221440430220022 is 220022034044122.

It is a happy number.

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

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, 4258469811898 + ... + 4258469811949.

It is an arithmetic number, because the mean of its divisors is an integer number (44713933025202).

Almost surely, 2^{221440430220022} is an apocalyptic number.

221440430220022 is a deficient number, since it is larger than the sum of its proper divisors (136271033981594).

221440430220022 is a wasteful number, since it uses less digits than its factorization.

221440430220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516939623862.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 221440430220022 its reverse (220022034044122), we get a palindrome (441462464264144).

The spelling of 221440430220022 in words is "two hundred twenty-one trillion, four hundred forty billion, four hundred thirty million, two hundred twenty thousand, twenty-two".