223252161000 has 128 divisors (see below), whose sum is σ = 759869285760. Its totient is φ = 54121728000.

The previous prime is 223252160981. The next prime is 223252161001. The reversal of 223252161000 is 161252322.

It is a super-3 number, since 3×223252161000³ (a number of 35 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (223252161001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3349609 + ... + 3415608.

It is an arithmetic number, because the mean of its divisors is an integer number (5936478795).

Almost surely, 2^223252161000 is an apocalyptic number.

223252161000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223252161000 is an abundant number, since it is smaller than the sum of its proper divisors (536617124760).

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

223252161000 is a wasteful number, since it uses less digits than its factorization.

223252161000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765252 (or 6765238 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 223252161000 in words is "two hundred twenty-three billion, two hundred fifty-two million, one hundred sixty-one thousand".