66227046 has 16 divisors (see below), whose sum is σ = 139425600. Its totient is φ = 20913768.

The previous prime is 66227017. The next prime is 66227047. The reversal of 66227046 is 64072266.

It is a super-2 number, since 2×66227046² = 8772043243772232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66226998 and 66227016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66227047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290356 + ... + 290583.

It is an arithmetic number, because the mean of its divisors is an integer number (8714100).

Almost surely, 2^66227046 is an apocalyptic number.

66227046 is an abundant number, since it is smaller than the sum of its proper divisors (73198554).

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

66227046 is a wasteful number, since it uses less digits than its factorization.

66227046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580963.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 66227046 is about 8138.0001228803. Note that the first 3 decimals coincide. The cubic root of 66227046 is about 404.5868794557.

The spelling of 66227046 in words is "sixty-six million, two hundred twenty-seven thousand, forty-six".