84223601 has 12 divisors (see below), whose sum is σ = 106881840. Its totient is φ = 65628360.

The previous prime is 84223547. The next prime is 84223613. The reversal of 84223601 is 10632248.

It is not a de Polignac number, because 84223601 - 2¹⁰ = 84222577 is a prime.

It is a super-2 number, since 2×84223601² = 14187229930814402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84223691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77591 + ... + 78668.

It is an arithmetic number, because the mean of its divisors is an integer number (8906820).

Almost surely, 2^84223601 is an apocalyptic number.

It is an amenable number.

84223601 is a deficient number, since it is larger than the sum of its proper divisors (22658239).

84223601 is a wasteful number, since it uses less digits than its factorization.

84223601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156284 (or 156277 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 84223601 is about 9177.3417175128. The cubic root of 84223601 is about 438.3401668597.

Adding to 84223601 its reverse (10632248), we get a palindrome (94855849).

The spelling of 84223601 in words is "eighty-four million, two hundred twenty-three thousand, six hundred one".