1102230442 has 4 divisors (see below), whose sum is σ = 1653345666. Its totient is φ = 551115220.

The previous prime is 1102230419. The next prime is 1102230461. The reversal of 1102230442 is 2440322011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 854451361 + 247779081 = 29231^2 + 15741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275557609 + ... + 275557612.

Almost surely, 2^1102230442 is an apocalyptic number.

1102230442 is a deficient number, since it is larger than the sum of its proper divisors (551115224).

1102230442 is an equidigital number, since it uses as much as digits as its factorization.

1102230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551115223.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1102230442 is about 33199.8560539048. The cubic root of 1102230442 is about 1032.9773537823.

Adding to 1102230442 its reverse (2440322011), we get a palindrome (3542552453).

The spelling of 1102230442 in words is "one billion, one hundred two million, two hundred thirty thousand, four hundred forty-two".