83412223 has 4 divisors (see below), whose sum is σ = 87802360. Its totient is φ = 79022088.

The previous prime is 83412211. The next prime is 83412239. The reversal of 83412223 is 32221438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32221438 = 2 ⋅16110719.

It is a cyclic number.

It is not a de Polignac number, because 83412223 - 2⁹ = 83411711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83422223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195040 + ... + 2195077.

It is an arithmetic number, because the mean of its divisors is an integer number (21950590).

Almost surely, 2^83412223 is an apocalyptic number.

83412223 is a deficient number, since it is larger than the sum of its proper divisors (4390137).

83412223 is a wasteful number, since it uses less digits than its factorization.

83412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390136.

The product of its digits is 2304, while the sum is 25.

The square root of 83412223 is about 9133.0292345968. The cubic root of 83412223 is about 436.9280218400.

The spelling of 83412223 in words is "eighty-three million, four hundred twelve thousand, two hundred twenty-three".