222122430 has 24 divisors (see below), whose sum is σ = 577518552. Its totient is φ = 59232624.

The previous prime is 222122419. The next prime is 222122437. The reversal of 222122430 is 34221222.

222122430 is a `hidden beast` number, since 22 + 212 + 2 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233924 + ... + 1234103.

It is an arithmetic number, because the mean of its divisors is an integer number (24063273).

Almost surely, 2^222122430 is an apocalyptic number.

222122430 is an abundant number, since it is smaller than the sum of its proper divisors (355396122).

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

222122430 is a wasteful number, since it uses less digits than its factorization.

222122430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468040 (or 2468037 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222122430 is about 14903.7723412564. The cubic root of 222122430 is about 605.6161834512.

Adding to 222122430 its reverse (34221222), we get a palindrome (256343652).

It can be divided in two parts, 22212 and 2430, that added together give a palindrome (24642).

The spelling of 222122430 in words is "two hundred twenty-two million, one hundred twenty-two thousand, four hundred thirty".