1222020330 has 32 divisors (see below), whose sum is σ = 2933786304. Its totient is φ = 325767936.

The previous prime is 1222020287. The next prime is 1222020379. The reversal of 1222020330 is 330202221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152914 + ... + 160706.

It is an arithmetic number, because the mean of its divisors is an integer number (91680822).

Almost surely, 2^1222020330 is an apocalyptic number.

1222020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222020330 is an abundant number, since it is smaller than the sum of its proper divisors (1711765974).

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

1222020330 is a wasteful number, since it uses less digits than its factorization.

1222020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1222020330 is about 34957.4073695404. The cubic root of 1222020330 is about 1069.1192361901.

Adding to 1222020330 its reverse (330202221), we get a palindrome (1552222551).

The spelling of 1222020330 in words is "one billion, two hundred twenty-two million, twenty thousand, three hundred thirty".