222161464161222 has 16 divisors (see below), whose sum is σ = 448254989636400. Its totient is φ = 73398477834752.

The previous prime is 222161464161191. The next prime is 222161464161227.

222161464161222 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222161464161227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163835887347 + ... + 163835888702.

It is an arithmetic number, because the mean of its divisors is an integer number (28015936852275).

Almost surely, 2^{222161464161222} is an apocalyptic number.

222161464161222 is an abundant number, since it is smaller than the sum of its proper divisors (226093525475178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222161464161222 is a wasteful number, since it uses less digits than its factorization.

222161464161222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327671776167.

The product of its digits is 221184, while the sum is 42.

The spelling of 222161464161222 in words is "two hundred twenty-two trillion, one hundred sixty-one billion, four hundred sixty-four million, one hundred sixty-one thousand, two hundred twenty-two".