223445290000 has 225 divisors, whose sum is σ = 563739649473. Its totient is φ = 85766688000.

The previous prime is 223445289973. The next prime is 223445290039. The reversal of 223445290000 is 92544322.

The square root of 223445290000 is 472700.

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

It can be written as a sum of positive squares in 7 ways, for example, as 167120710416 + 56324579584 = 408804^2 + 237328^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1370829919 + ... + 1370830081.

Almost surely, 2^223445290000 is an apocalyptic number.

223445290000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

223445290000 is the 472700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223445290000

223445290000 is an abundant number, since it is smaller than the sum of its proper divisors (340294359473).

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

223445290000 is an frugal number, since it uses more digits than its factorization.

223445290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 223445290000 in words is "two hundred twenty-three billion, four hundred forty-five million, two hundred ninety thousand".