22436628 has 12 divisors (see below), whose sum is σ = 52352160. Its totient is φ = 7478872.

The previous prime is 22436611. The next prime is 22436629. The reversal of 22436628 is 82663422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22436629) 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, 934848 + ... + 934871.

It is an arithmetic number, because the mean of its divisors is an integer number (4362680).

Almost surely, 2^22436628 is an apocalyptic number.

It is an amenable number.

22436628 is an abundant number, since it is smaller than the sum of its proper divisors (29915532).

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

22436628 is a wasteful number, since it uses less digits than its factorization.

22436628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869726 (or 1869724 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 22436628 is about 4736.7317846802. The cubic root of 22436628 is about 282.0455135030.

The spelling of 22436628 in words is "twenty-two million, four hundred thirty-six thousand, six hundred twenty-eight".