221457042303075 has 72 divisors (see below), whose sum is σ = 417568304662080. Its totient is φ = 111884008017600.

The previous prime is 221457042303073. The next prime is 221457042303097. The reversal of 221457042303075 is 570303240754122.

221457042303075 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 570 + 4 + 2 + 3 + 0 + 3 + 0 + 75 = 666.

It is not a de Polignac number, because 221457042303075 - 2¹ = 221457042303073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 221457042303075.

It is not an unprimeable number, because it can be changed into a prime (221457042303073) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45258064 + ... + 49911986.

Almost surely, 2^{221457042303075} is an apocalyptic number.

221457042303075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221457042303075 is a deficient number, since it is larger than the sum of its proper divisors (196111262359005).

221457042303075 is a wasteful number, since it uses less digits than its factorization.

221457042303075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665089 (or 4665081 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 221457042303075 in words is "two hundred twenty-one trillion, four hundred fifty-seven billion, forty-two million, three hundred three thousand, seventy-five".