1223567822500 has 45 divisors (see below), whose sum is σ = 2675819066151. Its totient is φ = 489405006000.

The previous prime is 1223567822489. The next prime is 1223567822507. The reversal of 1223567822500 is 52287653221.

The square root of 1223567822500 is 1106150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 95927717284 + 1127640105216 = 309722^2 + 1061904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223567822507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 55296439 + ... + 55318561.

Almost surely, 2^{1223567822500} is an apocalyptic number.

1223567822500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223567822500 is the 1106150-th square number.

It is an amenable number.

1223567822500 is an abundant number, since it is smaller than the sum of its proper divisors (1452251243651).

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

1223567822500 is an frugal number, since it uses more digits than its factorization.

1223567822500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44270 (or 22130 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 1223567822500 in words is "one trillion, two hundred twenty-three billion, five hundred sixty-seven million, eight hundred twenty-two thousand, five hundred".