1223166048 has 96 divisors (see below), whose sum is σ = 3661259616. Its totient is φ = 354213888.

The previous prime is 1223166047. The next prime is 1223166053. The reversal of 1223166048 is 8406613221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1223166048² = 2992270361959876608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223166041) 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, 7611 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (38138121).

Almost surely, 2^1223166048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223166048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830629808).

1223166048 is an abundant number, since it is smaller than the sum of its proper divisors (2438093568).

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

1223166048 is a wasteful number, since it uses less digits than its factorization.

1223166048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57696 (or 57688 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1223166048 is about 34973.7908725949. The cubic root of 1223166048 is about 1069.4532531491.

Adding to 1223166048 its reverse (8406613221), we get a palindrome (9629779269).

The spelling of 1223166048 in words is "one billion, two hundred twenty-three million, one hundred sixty-six thousand, forty-eight".