222120231000 has 64 divisors (see below), whose sum is σ = 693015130080. Its totient is φ = 59232060800.

The previous prime is 222120230999. The next prime is 222120231007. The reversal of 222120231000 is 132021222.

It is a happy number.

222120231000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222120231000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120231007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37017039 + ... + 37023038.

Almost surely, 2^222120231000 is an apocalyptic number.

222120231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120231000 is an abundant number, since it is smaller than the sum of its proper divisors (470894899080).

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

222120231000 is a wasteful number, since it uses less digits than its factorization.

222120231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040101 (or 74040087 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 222120231000 its reverse (132021222), we get a palindrome (222252252222).

The spelling of 222120231000 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty-one thousand".