1222100330 has 32 divisors (see below), whose sum is σ = 2526068160. Its totient is φ = 421009920.

The previous prime is 1222100329. The next prime is 1222100333. The reversal of 1222100330 is 330012221.

It is a happy number.

It is a super-2 number, since 2×1222100330² = 2987058433172217800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222100333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290279 + ... + 294458.

It is an arithmetic number, because the mean of its divisors is an integer number (78939630).

Almost surely, 2^1222100330 is an apocalyptic number.

1222100330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222100330 is an abundant number, since it is smaller than the sum of its proper divisors (1303967830).

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

1222100330 is a wasteful number, since it uses less digits than its factorization.

1222100330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584774.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1222100330 is about 34958.5516004310. The cubic root of 1222100330 is about 1069.1425657727.

Adding to 1222100330 its reverse (330012221), we get a palindrome (1552112551).

The spelling of 1222100330 in words is "one billion, two hundred twenty-two million, one hundred thousand, three hundred thirty".