22329994 has 8 divisors (see below), whose sum is σ = 34312068. Its totient is φ = 10892640.

The previous prime is 22329991. The next prime is 22330003. The reversal of 22329994 is 49992322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 660969 = 4655^2 + 813^2 .

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 (22329991) 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, 136077 + ... + 136240.

Almost surely, 2^22329994 is an apocalyptic number.

22329994 is a deficient number, since it is larger than the sum of its proper divisors (11982074).

22329994 is a wasteful number, since it uses less digits than its factorization.

22329994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272360.

The product of its digits is 69984, while the sum is 40.

The square root of 22329994 is about 4725.4623054258. The cubic root of 22329994 is about 281.5979802094.

The spelling of 22329994 in words is "twenty-two million, three hundred twenty-nine thousand, nine hundred ninety-four".