1220230002 has 16 divisors (see below), whose sum is σ = 2448162432. Its totient is φ = 405459600.

The previous prime is 1220229973. The next prime is 1220230009. The reversal of 1220230002 is 2000320221.

It is a super-2 number, since 2×1220230002² = 2977922515561840008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220230002.

It is not an unprimeable number, because it can be changed into a prime (1220230009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318874 + ... + 322677.

It is an arithmetic number, because the mean of its divisors is an integer number (153010152).

Almost surely, 2^1220230002 is an apocalyptic number.

1220230002 is an abundant number, since it is smaller than the sum of its proper divisors (1227932430).

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

1220230002 is a wasteful number, since it uses less digits than its factorization.

1220230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641873.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1220230002 is about 34931.7907070336. The cubic root of 1220230002 is about 1068.5968745566.

Adding to 1220230002 its reverse (2000320221), we get a palindrome (3220550223).

The spelling of 1220230002 in words is "one billion, two hundred twenty million, two hundred thirty thousand, two".