225720127430 has 32 divisors (see below), whose sum is σ = 480350226240. Its totient is φ = 74721144960.

The previous prime is 225720127411. The next prime is 225720127511. The reversal of 225720127430 is 34721027522.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55594061 + ... + 55598120.

It is an arithmetic number, because the mean of its divisors is an integer number (15010944570).

Almost surely, 2^225720127430 is an apocalyptic number.

225720127430 is an abundant number, since it is smaller than the sum of its proper divisors (254630098810).

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

225720127430 is a wasteful number, since it uses less digits than its factorization.

225720127430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111192224.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 225720127430 in words is "two hundred twenty-five billion, seven hundred twenty million, one hundred twenty-seven thousand, four hundred thirty".