1220100322 has 8 divisors (see below), whose sum is σ = 2091600576. Its totient is φ = 522900132.

The previous prime is 1220100311. The next prime is 1220100331. The reversal of 1220100322 is 2230010221.

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

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, 43574998 + ... + 43575025.

It is an arithmetic number, because the mean of its divisors is an integer number (261450072).

Almost surely, 2^1220100322 is an apocalyptic number.

1220100322 is a deficient number, since it is larger than the sum of its proper divisors (871500254).

1220100322 is an equidigital number, since it uses as much as digits as its factorization.

1220100322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87150032.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220100322 is about 34929.9344688764. The cubic root of 1220100322 is about 1068.5590181547.

Adding to 1220100322 its reverse (2230010221), we get a palindrome (3450110543).

The spelling of 1220100322 in words is "one billion, two hundred twenty million, one hundred thousand, three hundred twenty-two".