225733146021 has 48 divisors (see below), whose sum is σ = 338590137600. Its totient is φ = 144813505536.

The previous prime is 225733146013. The next prime is 225733146031. The reversal of 225733146021 is 120641337522.

225733146021 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 33 + 14 + 602 + 1 = 666.

It is not a de Polignac number, because 225733146021 - 2³ = 225733146013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225733146031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28501300 + ... + 28509218.

It is an arithmetic number, because the mean of its divisors is an integer number (7053961200).

Almost surely, 2^225733146021 is an apocalyptic number.

It is an amenable number.

225733146021 is a deficient number, since it is larger than the sum of its proper divisors (112856991579).

225733146021 is a wasteful number, since it uses less digits than its factorization.

225733146021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9050 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 225733146021 in words is "two hundred twenty-five billion, seven hundred thirty-three million, one hundred forty-six thousand, twenty-one".