225942056641 has 16 divisors (see below), whose sum is σ = 261317548800. Its totient is φ = 191347752960.

The previous prime is 225942056633. The next prime is 225942056657. The reversal of 225942056641 is 146650249522.

It is not a de Polignac number, because 225942056641 - 2³ = 225942056633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225942056591 and 225942056600.

It is not an unprimeable number, because it can be changed into a prime (225942056611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128961 + ... + 684481.

It is an arithmetic number, because the mean of its divisors is an integer number (16332346800).

Almost surely, 2^225942056641 is an apocalyptic number.

It is an amenable number.

225942056641 is a deficient number, since it is larger than the sum of its proper divisors (35375492159).

225942056641 is an equidigital number, since it uses as much as digits as its factorization.

225942056641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556224.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 225942056641 in words is "two hundred twenty-five billion, nine hundred forty-two million, fifty-six thousand, six hundred forty-one".