1223790064 has 40 divisors (see below), whose sum is σ = 2725004160. Its totient is φ = 521542848.

The previous prime is 1223790023. The next prime is 1223790103. The reversal of 1223790064 is 4600973221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10474 + ... + 50569.

It is an arithmetic number, because the mean of its divisors is an integer number (68125104).

Almost surely, 2^1223790064 is an apocalyptic number.

1223790064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223790064 is an abundant number, since it is smaller than the sum of its proper divisors (1501214096).

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

1223790064 is a wasteful number, since it uses less digits than its factorization.

1223790064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61237 (or 61231 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1223790064 is about 34982.7109298293. The cubic root of 1223790064 is about 1069.6350879560.

The spelling of 1223790064 in words is "one billion, two hundred twenty-three million, seven hundred ninety thousand, sixty-four".