1102212444 has 72 divisors (see below), whose sum is σ = 2655318400. Its totient is φ = 355763232.

The previous prime is 1102212437. The next prime is 1102212467. The reversal of 1102212444 is 4442122011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102212444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5538657 + ... + 5538855.

Almost surely, 2^1102212444 is an apocalyptic number.

It is an amenable number.

1102212444 is an abundant number, since it is smaller than the sum of its proper divisors (1553105956).

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

1102212444 is a wasteful number, since it uses less digits than its factorization.

1102212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1102212444 is about 33199.5849974062. The cubic root of 1102212444 is about 1032.9717313562.

Adding to 1102212444 its reverse (4442122011), we get a palindrome (5544334455).

The spelling of 1102212444 in words is "one billion, one hundred two million, two hundred twelve thousand, four hundred forty-four".