1022222202194 has 8 divisors (see below), whose sum is σ = 1570731676668. Its totient is φ = 498644976640.

The previous prime is 1022222202193. The next prime is 1022222202229. The reversal of 1022222202194 is 4912022222201.

It can be written as a sum of positive squares in 2 ways, for example, as 1019039775625 + 3182426569 = 1009475^2 + 56413^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1022222202193) 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, 6233062127 + ... + 6233062290.

Almost surely, 2^{1022222202194} is an apocalyptic number.

1022222202194 is a deficient number, since it is larger than the sum of its proper divisors (548509474474).

1022222202194 is a wasteful number, since it uses less digits than its factorization.

1022222202194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466124460.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1022222202194 its reverse (4912022222201), we get a palindrome (5934244424395).

The spelling of 1022222202194 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, one hundred ninety-four".