223146066425 has 24 divisors (see below), whose sum is σ = 278542755456. Its totient is φ = 177329355840.

The previous prime is 223146066391. The next prime is 223146066427. The reversal of 223146066425 is 524660641322.

It is not a de Polignac number, because 223146066425 - 2³⁶ = 154426589689 is a prime.

It is a super-3 number, since 3×223146066425³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223146066427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20274974 + ... + 20285976.

It is an arithmetic number, because the mean of its divisors is an integer number (11605948144).

Almost surely, 2^223146066425 is an apocalyptic number.

223146066425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223146066425 is a deficient number, since it is larger than the sum of its proper divisors (55396689031).

223146066425 is a wasteful number, since it uses less digits than its factorization.

223146066425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337 (or 16332 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 223146066425 in words is "two hundred twenty-three billion, one hundred forty-six million, sixty-six thousand, four hundred twenty-five".