1222194082 has 4 divisors (see below), whose sum is σ = 1833291126. Its totient is φ = 611097040.

The previous prime is 1222194053. The next prime is 1222194097. The reversal of 1222194082 is 2804912221.

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

It can be written as a sum of positive squares in only one way, i.e., 1079845321 + 142348761 = 32861^2 + 11931^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305548519 + ... + 305548522.

Almost surely, 2^1222194082 is an apocalyptic number.

1222194082 is a deficient number, since it is larger than the sum of its proper divisors (611097044).

1222194082 is an equidigital number, since it uses as much as digits as its factorization.

1222194082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611097043.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1222194082 is about 34959.8924769514. The cubic root of 1222194082 is about 1069.1699044148.

The spelling of 1222194082 in words is "one billion, two hundred twenty-two million, one hundred ninety-four thousand, eighty-two".