422666051 has 4 divisors (see below), whose sum is σ = 422951400. Its totient is φ = 422380704.

The previous prime is 422666017. The next prime is 422666071. The reversal of 422666051 is 150666224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422666051 - 2¹⁸ = 422403907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422665999 and 422666017.

It is not an unprimeable number, because it can be changed into a prime (422666071) 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, 140441 + ... + 143418.

It is an arithmetic number, because the mean of its divisors is an integer number (105737850).

Almost surely, 2^422666051 is an apocalyptic number.

422666051 is a deficient number, since it is larger than the sum of its proper divisors (285349).

422666051 is a wasteful number, since it uses less digits than its factorization.

422666051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285348.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 422666051 is about 20558.8436202039. The cubic root of 422666051 is about 750.4684782728.

The spelling of 422666051 in words is "four hundred twenty-two million, six hundred sixty-six thousand, fifty-one".