22225846 has 4 divisors (see below), whose sum is σ = 33338772. Its totient is φ = 11112922.

The previous prime is 22225807. The next prime is 22225849. The reversal of 22225846 is 64852222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64852222 = 2 ⋅32426111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225849) 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 as a sum of consecutive naturals, namely, 5556460 + ... + 5556463.

It is an arithmetic number, because the mean of its divisors is an integer number (8334693).

Almost surely, 2^22225846 is an apocalyptic number.

22225846 is a deficient number, since it is larger than the sum of its proper divisors (11112926).

22225846 is a wasteful number, since it uses less digits than its factorization.

22225846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112925.

The product of its digits is 15360, while the sum is 31.

The square root of 22225846 is about 4714.4295519182. The cubic root of 22225846 is about 281.1595029994.

The spelling of 22225846 in words is "twenty-two million, two hundred twenty-five thousand, eight hundred forty-six".