221202000162 has 96 divisors (see below), whose sum is σ = 582475682880. Its totient is φ = 59741055360.

The previous prime is 221202000157. The next prime is 221202000163. The reversal of 221202000162 is 261000202122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221202000163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1407028 + ... + 1556319.

It is an arithmetic number, because the mean of its divisors is an integer number (6067455030).

Almost surely, 2^221202000162 is an apocalyptic number.

221202000162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221202000162 is an abundant number, since it is smaller than the sum of its proper divisors (361273682718).

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

221202000162 is a wasteful number, since it uses less digits than its factorization.

221202000162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963408 (or 2963405 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221202000162 its reverse (261000202122), we get a palindrome (482202202284).

The spelling of 221202000162 in words is "two hundred twenty-one billion, two hundred two million, one hundred sixty-two", and thus it is an aban number.