22430894 has 4 divisors (see below), whose sum is σ = 33646344. Its totient is φ = 11215446.

The previous prime is 22430893. The next prime is 22430909. The reversal of 22430894 is 49803422.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22430894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607722 + ... + 5607725.

It is an arithmetic number, because the mean of its divisors is an integer number (8411586).

Almost surely, 2^22430894 is an apocalyptic number.

22430894 is a deficient number, since it is larger than the sum of its proper divisors (11215450).

22430894 is a wasteful number, since it uses less digits than its factorization.

22430894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215449.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22430894 is about 4736.1264763517. The cubic root of 22430894 is about 282.0214845392.

The spelling of 22430894 in words is "twenty-two million, four hundred thirty thousand, eight hundred ninety-four".