222215501616 has 80 divisors (see below), whose sum is σ = 609901960800. Its totient is φ = 69584707584.

The previous prime is 222215501611. The next prime is 222215501639. The reversal of 222215501616 is 616105512222.

It is a super-2 number, since 2×222215501616² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222215501611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105761 + ... + 2208768.

It is an arithmetic number, because the mean of its divisors is an integer number (7623774510).

Almost surely, 2^222215501616 is an apocalyptic number.

It is an amenable number.

222215501616 is an abundant number, since it is smaller than the sum of its proper divisors (387686459184).

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

222215501616 is a wasteful number, since it uses less digits than its factorization.

222215501616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314606 (or 4314600 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 222215501616 in words is "two hundred twenty-two billion, two hundred fifteen million, five hundred one thousand, six hundred sixteen".