222151204616 has 32 divisors (see below), whose sum is σ = 478315994400. Its totient is φ = 95663197440.

The previous prime is 222151204603. The next prime is 222151204619. The reversal of 222151204616 is 616402151222.

It is not an unprimeable number, because it can be changed into a prime (222151204619) 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, 66431105 + ... + 66434448.

It is an arithmetic number, because the mean of its divisors is an integer number (14947374825).

Almost surely, 2^222151204616 is an apocalyptic number.

It is an amenable number.

222151204616 is an abundant number, since it is smaller than the sum of its proper divisors (256164789784).

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

222151204616 is a wasteful number, since it uses less digits than its factorization.

222151204616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132865589 (or 132865585 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 222151204616 its reverse (616402151222), we get a palindrome (838553355838).

The spelling of 222151204616 in words is "two hundred twenty-two billion, one hundred fifty-one million, two hundred four thousand, six hundred sixteen".