222164502000 has 320 divisors, whose sum is σ = 840710667264. Its totient is φ = 49407667200.

The previous prime is 222164501969. The next prime is 222164502059. The reversal of 222164502000 is 205461222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1482519 + ... + 1625481.

Almost surely, 2^222164502000 is an apocalyptic number.

222164502000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222164502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420355333632).

222164502000 is an abundant number, since it is smaller than the sum of its proper divisors (618546165264).

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

222164502000 is a wasteful number, since it uses less digits than its factorization.

222164502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143033 (or 143017 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 222164502000 its reverse (205461222), we get a palindrome (222369963222).

The spelling of 222164502000 in words is "two hundred twenty-two billion, one hundred sixty-four million, five hundred two thousand".