223219825 has 12 divisors (see below), whose sum is σ = 277987788. Its totient is φ = 177804800.

The previous prime is 223219823. The next prime is 223219883. The reversal of 223219825 is 528912322.

It can be written as a sum of positive squares in 6 ways, for example, as 12737761 + 210482064 = 3569^2 + 14508^2 .

It is not a de Polignac number, because 223219825 - 2¹ = 223219823 is a prime.

It is a super-3 number, since 3×223219825³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223219823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13336 + ... + 24985.

It is an arithmetic number, because the mean of its divisors is an integer number (23165649).

Almost surely, 2^223219825 is an apocalyptic number.

223219825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223219825 is a deficient number, since it is larger than the sum of its proper divisors (54767963).

223219825 is a wasteful number, since it uses less digits than its factorization.

223219825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38564 (or 38559 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 223219825 is about 14940.5429954871. The cubic root of 223219825 is about 606.6118936112.

The spelling of 223219825 in words is "two hundred twenty-three million, two hundred nineteen thousand, eight hundred twenty-five".