1222374663 has 12 divisors (see below), whose sum is σ = 1788003360. Its totient is φ = 804600576.

The previous prime is 1222374649. The next prime is 1222374667. The reversal of 1222374663 is 3664732221.

1222374663 is a `hidden beast` number, since 1 + 222 + 374 + 6 + 63 = 666.

It is not a de Polignac number, because 1222374663 - 2²¹ = 1220277511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222374667) 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 11 ways as a sum of consecutive naturals, for example, 858906 + ... + 860327.

It is an arithmetic number, because the mean of its divisors is an integer number (149000280).

Almost surely, 2^1222374663 is an apocalyptic number.

1222374663 is a deficient number, since it is larger than the sum of its proper divisors (565628697).

1222374663 is a wasteful number, since it uses less digits than its factorization.

1222374663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719318 (or 1719315 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 1222374663 is about 34962.4750697087. The cubic root of 1222374663 is about 1069.2225589714. Note that the first 3 decimals are identical.

The spelling of 1222374663 in words is "one billion, two hundred twenty-two million, three hundred seventy-four thousand, six hundred sixty-three".