1220302222230 has 128 divisors (see below), whose sum is σ = 3636484927488. Its totient is φ = 255191795712.

The previous prime is 1220302222189. The next prime is 1220302222241. The reversal of 1220302222230 is 322222030221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1220302222197 and 1220302222206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1669374 + ... + 2286353.

It is an arithmetic number, because the mean of its divisors is an integer number (28410038496).

Almost surely, 2^{1220302222230} is an apocalyptic number.

1220302222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220302222230 is an abundant number, since it is smaller than the sum of its proper divisors (2416182705258).

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

1220302222230 is a wasteful number, since it uses less digits than its factorization.

1220302222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955870.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1220302222230 its reverse (322222030221), we get a palindrome (1542524252451).

The spelling of 1220302222230 in words is "one trillion, two hundred twenty billion, three hundred two million, two hundred twenty-two thousand, two hundred thirty".