1223322044 has 36 divisors (see below), whose sum is σ = 2537343144. Its totient is φ = 514384416.

The previous prime is 1223322029. The next prime is 1223322059. The reversal of 1223322044 is 4402233221.

It is an interprime number because it is at equal distance from previous prime (1223322029) and next prime (1223322059).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48494 + ... + 69269.

It is an arithmetic number, because the mean of its divisors is an integer number (70481754).

Almost surely, 2^1223322044 is an apocalyptic number.

1223322044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223322044 is an abundant number, since it is smaller than the sum of its proper divisors (1314021100).

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

1223322044 is a wasteful number, since it uses less digits than its factorization.

1223322044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117834 (or 117825 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1223322044 is about 34976.0209858126. The cubic root of 1223322044 is about 1069.4987153163.

Adding to 1223322044 its reverse (4402233221), we get a palindrome (5625555265).

The spelling of 1223322044 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, forty-four".