1222210744 has 8 divisors (see below), whose sum is σ = 2291645160. Its totient is φ = 611105368.

The previous prime is 1222210741. The next prime is 1222210799. The reversal of 1222210744 is 4470122221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222210741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76388164 + ... + 76388179.

It is an arithmetic number, because the mean of its divisors is an integer number (286455645).

Almost surely, 2^1222210744 is an apocalyptic number.

It is an amenable number.

1222210744 is a deficient number, since it is larger than the sum of its proper divisors (1069434416).

1222210744 is a wasteful number, since it uses less digits than its factorization.

1222210744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152776349 (or 152776345 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1222210744 is about 34960.1307777874. The cubic root of 1222210744 is about 1069.1747630071.

Adding to 1222210744 its reverse (4470122221), we get a palindrome (5692332965).

The spelling of 1222210744 in words is "one billion, two hundred twenty-two million, two hundred ten thousand, seven hundred forty-four".