662206043 has 4 divisors (see below), whose sum is σ = 663297600. Its totient is φ = 661114488.

The previous prime is 662206019. The next prime is 662206081. The reversal of 662206043 is 340602266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340602266 = 2 ⋅170301133.

It is a cyclic number.

It is not a de Polignac number, because 662206043 - 2⁶ = 662205979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662205997 and 662206015.

It is not an unprimeable number, because it can be changed into a prime (662206003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544868 + ... + 546081.

It is an arithmetic number, because the mean of its divisors is an integer number (165824400).

Almost surely, 2^662206043 is an apocalyptic number.

662206043 is a deficient number, since it is larger than the sum of its proper divisors (1091557).

662206043 is a wasteful number, since it uses less digits than its factorization.

662206043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091556.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 662206043 is about 25733.3643933319. The cubic root of 662206043 is about 871.6277462199.

The spelling of 662206043 in words is "six hundred sixty-two million, two hundred six thousand, forty-three".