2229394 has 4 divisors (see below), whose sum is σ = 3344094. Its totient is φ = 1114696.

The previous prime is 2229391. The next prime is 2229407. The reversal of 2229394 is 4939222.

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., 2211169 + 18225 = 1487^2 + 135^2 .

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 not an unprimeable number, because it can be changed into a prime (2229391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557347 + ... + 557350.

2^2229394 is an apocalyptic number.

2229394 is a deficient number, since it is larger than the sum of its proper divisors (1114700).

2229394 is a wasteful number, since it uses less digits than its factorization.

2229394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114699.

The product of its digits is 7776, while the sum is 31.

The square root of 2229394 is about 1493.1155347126. The cubic root of 2229394 is about 130.6358200938.

The spelling of 2229394 in words is "two million, two hundred twenty-nine thousand, three hundred ninety-four".