1422210666 has 16 divisors (see below), whose sum is σ = 2845095264. Its totient is φ = 473957904.

The previous prime is 1422210661. The next prime is 1422210689. The reversal of 1422210666 is 6660122241.

It is not an unprimeable number, because it can be changed into a prime (1422210661) 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, 1801 + ... + 53363.

It is an arithmetic number, because the mean of its divisors is an integer number (177818454).

Almost surely, 2^1422210666 is an apocalyptic number.

1422210666 is an abundant number, since it is smaller than the sum of its proper divisors (1422884598).

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

1422210666 is a wasteful number, since it uses less digits than its factorization.

1422210666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56165.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1422210666 is about 37712.2084476632. The cubic root of 1422210666 is about 1124.5738411560.

The spelling of 1422210666 in words is "one billion, four hundred twenty-two million, two hundred ten thousand, six hundred sixty-six".