22463000 has 64 divisors (see below), whose sum is σ = 60091200. Its totient is φ = 7699200.

The previous prime is 22462991. The next prime is 22463083. The reversal of 22463000 is 36422.

It is a self number, because there is not a number n which added to its sum of digits gives 22463000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5396 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (938925).

Almost surely, 2^22463000 is an apocalyptic number.

22463000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22463000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30045600).

22463000 is an abundant number, since it is smaller than the sum of its proper divisors (37628200).

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

22463000 is a wasteful number, since it uses less digits than its factorization.

22463000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22463000 is about 4739.5147430934. The cubic root of 22463000 is about 282.1559756148.

Adding to 22463000 its reverse (36422), we get a palindrome (22499422).

The spelling of 22463000 in words is "twenty-two million, four hundred sixty-three thousand".