22455894 has 8 divisors (see below), whose sum is σ = 44911800. Its totient is φ = 7485296.

The previous prime is 22455893. The next prime is 22455913. The reversal of 22455894 is 49855422.

It is a sphenic number, since it is the product of 3 distinct primes.

22455894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871319 + ... + 1871330.

It is an arithmetic number, because the mean of its divisors is an integer number (5613975).

Almost surely, 2^22455894 is an apocalyptic number.

22455894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22455894 is a wasteful number, since it uses less digits than its factorization.

22455894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742654.

The product of its digits is 115200, while the sum is 39.

The square root of 22455894 is about 4738.7650289923. The cubic root of 22455894 is about 282.1262198413.

The spelling of 22455894 in words is "twenty-two million, four hundred fifty-five thousand, eight hundred ninety-four".