22463828 has 6 divisors (see below), whose sum is σ = 39311706. Its totient is φ = 11231912.

The previous prime is 22463821. The next prime is 22463839. The reversal of 22463828 is 82836422.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 204304 = 4718^2 + 452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807975 + ... + 2807982.

It is an arithmetic number, because the mean of its divisors is an integer number (6551951).

Almost surely, 2^22463828 is an apocalyptic number.

It is an amenable number.

22463828 is a deficient number, since it is larger than the sum of its proper divisors (16847878).

22463828 is a wasteful number, since it uses less digits than its factorization.

22463828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615961 (or 5615959 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 22463828 is about 4739.6020930032. The cubic root of 22463828 is about 282.1594423865.

The spelling of 22463828 in words is "twenty-two million, four hundred sixty-three thousand, eight hundred twenty-eight".