22843994 has 8 divisors (see below), whose sum is σ = 34294260. Its totient is φ = 11412576.

The previous prime is 22843987. The next prime is 22843999. The reversal of 22843994 is 49934822.

It can be written as a sum of positive squares in 2 ways, for example, as 17530969 + 5313025 = 4187^2 + 2305^2 .

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 (22843999) 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, 1139 + ... + 6854.

Almost surely, 2^22843994 is an apocalyptic number.

22843994 is a deficient number, since it is larger than the sum of its proper divisors (11450266).

22843994 is a wasteful number, since it uses less digits than its factorization.

22843994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424.

The product of its digits is 124416, while the sum is 41.

The square root of 22843994 is about 4779.5390991182. The cubic root of 22843994 is about 283.7422527593.

The spelling of 22843994 in words is "twenty-two million, eight hundred forty-three thousand, nine hundred ninety-four".