222011220194 has 4 divisors (see below), whose sum is σ = 333016830294. Its totient is φ = 111005610096.

The previous prime is 222011220127. The next prime is 222011220229. The reversal of 222011220194 is 491022110222.

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., 169484539225 + 52526680969 = 411685^2 + 229187^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502805047 + ... + 55502805050.

Almost surely, 2^222011220194 is an apocalyptic number.

222011220194 is a deficient number, since it is larger than the sum of its proper divisors (111005610100).

222011220194 is a wasteful number, since it uses less digits than its factorization.

222011220194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005610099.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 222011220194 in words is "two hundred twenty-two billion, eleven million, two hundred twenty thousand, one hundred ninety-four".