1222130330 has 8 divisors (see below), whose sum is σ = 2199834612. Its totient is φ = 488852128.

The previous prime is 1222130321. The next prime is 1222130359. The reversal of 1222130330 is 330312221.

It can be written as a sum of positive squares in 2 ways, for example, as 1068047761 + 154082569 = 32681^2 + 12413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222130299 and 1222130308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61106507 + ... + 61106526.

Almost surely, 2^1222130330 is an apocalyptic number.

1222130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222130330 is a deficient number, since it is larger than the sum of its proper divisors (977704282).

1222130330 is a wasteful number, since it uses less digits than its factorization.

1222130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122213040.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1222130330 is about 34958.9806773596. The cubic root of 1222130330 is about 1069.1513141036.

Adding to 1222130330 its reverse (330312221), we get a palindrome (1552442551).

The spelling of 1222130330 in words is "one billion, two hundred twenty-two million, one hundred thirty thousand, three hundred thirty".