1220322230 has 16 divisors (see below), whose sum is σ = 2197751184. Its totient is φ = 487868640.

The previous prime is 1220322217. The next prime is 1220322251. The reversal of 1220322230 is 322230221.

It is a junction number, because it is equal to n+sod(n) for n = 1220322199 and 1220322208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12236 + ... + 50895.

It is an arithmetic number, because the mean of its divisors is an integer number (137359449).

Almost surely, 2^1220322230 is an apocalyptic number.

1220322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220322230 is a deficient number, since it is larger than the sum of its proper divisors (977428954).

1220322230 is a wasteful number, since it uses less digits than its factorization.

1220322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65071.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1220322230 is about 34933.1107976372. The cubic root of 1220322230 is about 1068.6237962761.

Adding to 1220322230 its reverse (322230221), we get a palindrome (1542552451).

The spelling of 1220322230 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirty".