2207243394 has 12 divisors (see below), whose sum is σ = 4782360726. Its totient is φ = 735747792.

The previous prime is 2207243393. The next prime is 2207243407. The reversal of 2207243394 is 4933427022.

It is a happy number.

2207243394 is a `hidden beast` number, since 2 + 20 + 7 + 243 + 394 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2184347169 + 22896225 = 46737^2 + 4785^2 .

It is not an unprimeable number, because it can be changed into a prime (2207243393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61312299 + ... + 61312334.

Almost surely, 2^2207243394 is an apocalyptic number.

2207243394 is an abundant number, since it is smaller than the sum of its proper divisors (2575117332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2207243394 is a wasteful number, since it uses less digits than its factorization.

2207243394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122624641 (or 122624638 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 2207243394 is about 46981.3089855955. The cubic root of 2207243394 is about 1302.0172614105.

The spelling of 2207243394 in words is "two billion, two hundred seven million, two hundred forty-three thousand, three hundred ninety-four".