1222002394 has 8 divisors (see below), whose sum is σ = 1833164820. Its totient is φ = 610947456.

The previous prime is 1222002389. The next prime is 1222002401. The reversal of 1222002394 is 4932002221.

It can be written as a sum of positive squares in 2 ways, for example, as 850014025 + 371988369 = 29155^2 + 19287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13962 + ... + 51370.

Almost surely, 2^1222002394 is an apocalyptic number.

1222002394 is a deficient number, since it is larger than the sum of its proper divisors (611162426).

1222002394 is a wasteful number, since it uses less digits than its factorization.

1222002394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53744.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1222002394 is about 34957.1508278349. The cubic root of 1222002394 is about 1069.1140055580.

The spelling of 1222002394 in words is "one billion, two hundred twenty-two million, two thousand, three hundred ninety-four".