222142401321030 has 96 divisors (see below), whose sum is σ = 581469325164000. Its totient is φ = 58838099014656.

The previous prime is 222142401320999. The next prime is 222142401321037. The reversal of 222142401321030 is 30123104241222.

222142401321030 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 42 + 401 + 3 + 210 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 222142401320985 and 222142401321003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222142401321037) 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, 356757006 + ... + 357379134.

It is an arithmetic number, because the mean of its divisors is an integer number (6056972137125).

Almost surely, 2^{222142401321030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222142401321030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290734662582000).

222142401321030 is an abundant number, since it is smaller than the sum of its proper divisors (359326923842970).

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

222142401321030 is a wasteful number, since it uses less digits than its factorization.

222142401321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648918 (or 648915 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222142401321030 its reverse (30123104241222), we get a palindrome (252265505562252).

The spelling of 222142401321030 in words is "two hundred twenty-two trillion, one hundred forty-two billion, four hundred one million, three hundred twenty-one thousand, thirty".