222213031430 has 64 divisors (see below), whose sum is σ = 456404010048. Its totient is φ = 77168332800.

The previous prime is 222213031429. The next prime is 222213031463. The reversal of 222213031430 is 34130312222.

It is a junction number, because it is equal to n+sod(n) for n = 222213031396 and 222213031405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3243530 + ... + 3311330.

It is an arithmetic number, because the mean of its divisors is an integer number (7131312657).

Almost surely, 2^222213031430 is an apocalyptic number.

222213031430 is an abundant number, since it is smaller than the sum of its proper divisors (234190978618).

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

222213031430 is a wasteful number, since it uses less digits than its factorization.

222213031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69321.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222213031430 its reverse (34130312222), we get a palindrome (256343343652).

The spelling of 222213031430 in words is "two hundred twenty-two billion, two hundred thirteen million, thirty-one thousand, four hundred thirty".