1103221146 has 32 divisors (see below), whose sum is σ = 2258523648. Its totient is φ = 359157680.

The previous prime is 1103221139. The next prime is 1103221199. The reversal of 1103221146 is 6411223011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33481 + ... + 57683.

It is an arithmetic number, because the mean of its divisors is an integer number (70578864).

Almost surely, 2^1103221146 is an apocalyptic number.

1103221146 is an abundant number, since it is smaller than the sum of its proper divisors (1155302502).

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

1103221146 is a wasteful number, since it uses less digits than its factorization.

1103221146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24386.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1103221146 is about 33214.7730084070. The cubic root of 1103221146 is about 1033.2867471425.

Adding to 1103221146 its reverse (6411223011), we get a palindrome (7514444157).

The spelling of 1103221146 in words is "one billion, one hundred three million, two hundred twenty-one thousand, one hundred forty-six".