1223550044 has 48 divisors (see below), whose sum is σ = 2423566656. Its totient is φ = 537292800.

The previous prime is 1223550043. The next prime is 1223550071. The reversal of 1223550044 is 4400553221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223549995 and 1223550022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223550043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54584 + ... + 73664.

It is an arithmetic number, because the mean of its divisors is an integer number (50490972).

Almost surely, 2^1223550044 is an apocalyptic number.

It is an amenable number.

1223550044 is a deficient number, since it is larger than the sum of its proper divisors (1200016612).

1223550044 is a wasteful number, since it uses less digits than its factorization.

1223550044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166 (or 19164 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1223550044 is about 34979.2802098614. The cubic root of 1223550044 is about 1069.5651547740.

The spelling of 1223550044 in words is "one billion, two hundred twenty-three million, five hundred fifty thousand, forty-four".