228221920162 has 8 divisors (see below), whose sum is σ = 342460481616. Its totient is φ = 114068426292.

The previous prime is 228221920103. The next prime is 228221920211. The reversal of 228221920162 is 261029122822.

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

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, 21260188 + ... + 21270919.

It is an arithmetic number, because the mean of its divisors is an integer number (42807560202).

Almost surely, 2^228221920162 is an apocalyptic number.

228221920162 is a deficient number, since it is larger than the sum of its proper divisors (114238561454).

228221920162 is a wasteful number, since it uses less digits than its factorization.

228221920162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42533792.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 228221920162 in words is "two hundred twenty-eight billion, two hundred twenty-one million, nine hundred twenty thousand, one hundred sixty-two".