221530073164074 has 24 divisors (see below), whose sum is σ = 479982113357760. Its totient is φ = 73843313387688.

The previous prime is 221530073164051. The next prime is 221530073164091. The reversal of 221530073164074 is 470461370035122.

It is a happy number.

221530073164074 is a `hidden beast` number, since 2 + 2 + 1 + 530 + 0 + 7 + 3 + 1 + 6 + 40 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43222767 + ... + 48075645.

It is an arithmetic number, because the mean of its divisors is an integer number (19999254723240).

Almost surely, 2^{221530073164074} is an apocalyptic number.

221530073164074 is an abundant number, since it is smaller than the sum of its proper divisors (258452040193686).

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

221530073164074 is a wasteful number, since it uses less digits than its factorization.

221530073164074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388954 (or 7388951 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 221530073164074 in words is "two hundred twenty-one trillion, five hundred thirty billion, seventy-three million, one hundred sixty-four thousand, seventy-four".