1223486790 has 32 divisors (see below), whose sum is σ = 2951755776. Its totient is φ = 324553440.

The previous prime is 1223486777. The next prime is 1223486791. The reversal of 1223486790 is 976843221.

1223486790 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223486791) 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, 101032 + ... + 112491.

It is an arithmetic number, because the mean of its divisors is an integer number (92242368).

Almost surely, 2^1223486790 is an apocalyptic number.

1223486790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223486790 is an abundant number, since it is smaller than the sum of its proper divisors (1728268986).

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

1223486790 is a wasteful number, since it uses less digits than its factorization.

1223486790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213724.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1223486790 is about 34978.3760343444. The cubic root of 1223486790 is about 1069.5467233142.

The spelling of 1223486790 in words is "one billion, two hundred twenty-three million, four hundred eighty-six thousand, seven hundred ninety".