420180222447 has 16 divisors (see below), whose sum is σ = 630368832000. Its totient is φ = 276574322232.

The previous prime is 420180222443. The next prime is 420180222479. The reversal of 420180222447 is 744222081024.

420180222447 is a `hidden beast` number, since 4 + 201 + 8 + 0 + 2 + 2 + 2 + 447 = 666.

It is not a de Polignac number, because 420180222447 - 2² = 420180222443 is a prime.

It is a super-2 number, since 2×420180222447² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420180222443) 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, 98492997 + ... + 98497262.

It is an arithmetic number, because the mean of its divisors is an integer number (39398052000).

Almost surely, 2^420180222447 is an apocalyptic number.

420180222447 is a deficient number, since it is larger than the sum of its proper divisors (210188609553).

420180222447 is a wasteful number, since it uses less digits than its factorization.

420180222447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196990347 (or 196990341 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The spelling of 420180222447 in words is "four hundred twenty billion, one hundred eighty million, two hundred twenty-two thousand, four hundred forty-seven".