1220622166234 has 8 divisors (see below), whose sum is σ = 1841516679060. Its totient is φ = 606783273216.

The previous prime is 1220622166217. The next prime is 1220622166237. The reversal of 1220622166234 is 4326612260221.

It can be written as a sum of positive squares in 2 ways, for example, as 940036898025 + 280585268209 = 969555^2 + 529703^2 .

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 = 1220622166193 and 1220622166202.

It is not an unprimeable number, because it can be changed into a prime (1220622166237) 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, 1763904519 + ... + 1763905210.

Almost surely, 2^{1220622166234} is an apocalyptic number.

1220622166234 is a deficient number, since it is larger than the sum of its proper divisors (620894512826).

1220622166234 is a wasteful number, since it uses less digits than its factorization.

1220622166234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527809904.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1220622166234 in words is "one trillion, two hundred twenty billion, six hundred twenty-two million, one hundred sixty-six thousand, two hundred thirty-four".