1063222221638 has 8 divisors (see below), whose sum is σ = 1598639618520. Its totient is φ = 530342348800.

The previous prime is 1063222221631. The next prime is 1063222221667. The reversal of 1063222221638 is 8361222223601.

It is a happy number.

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

It is a super-2 number, since 2×1063222221638² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063222221631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634379963 + ... + 634381638.

It is an arithmetic number, because the mean of its divisors is an integer number (199829952315).

Almost surely, 2^{1063222221638} is an apocalyptic number.

1063222221638 is a deficient number, since it is larger than the sum of its proper divisors (535417396882).

1063222221638 is a wasteful number, since it uses less digits than its factorization.

1063222221638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268762022.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 1063222221638 in words is "one trillion, sixty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred thirty-eight".