1223897884 has 24 divisors (see below), whose sum is σ = 2352018816. Its totient is φ = 552630000.

The previous prime is 1223897869. The next prime is 1223897891. The reversal of 1223897884 is 4887983221.

It is a happy number.

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, 85462 + ... + 98749.

It is an arithmetic number, because the mean of its divisors is an integer number (98000784).

Almost surely, 2^1223897884 is an apocalyptic number.

It is an amenable number.

1223897884 is a deficient number, since it is larger than the sum of its proper divisors (1128120932).

1223897884 is a wasteful number, since it uses less digits than its factorization.

1223897884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184377 (or 184375 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 1223897884 is about 34984.2519428385. The cubic root of 1223897884 is about 1069.6664998438. Note that the first 3 decimals are identical.

The spelling of 1223897884 in words is "one billion, two hundred twenty-three million, eight hundred ninety-seven thousand, eight hundred eighty-four".