2212806194 has 4 divisors (see below), whose sum is σ = 3319209294. Its totient is φ = 1106403096.

The previous prime is 2212806179. The next prime is 2212806263. The reversal of 2212806194 is 4916082122.

2212806194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1599600025 + 613206169 = 39995^2 + 24763^2 .

It is a super-2 number, since 2×2212806194² = 9793022504409531272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553201547 + ... + 553201550.

Almost surely, 2^2212806194 is an apocalyptic number.

2212806194 is a deficient number, since it is larger than the sum of its proper divisors (1106403100).

2212806194 is a wasteful number, since it uses less digits than its factorization.

2212806194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106403099.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2212806194 is about 47040.4739984622. The cubic root of 2212806194 is about 1303.1101457966.

The spelling of 2212806194 in words is "two billion, two hundred twelve million, eight hundred six thousand, one hundred ninety-four".