22200246 has 48 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 6945264.

The previous prime is 22200179. The next prime is 22200263. The reversal of 22200246 is 64200222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

22200246 is a modest number, since divided by 246 gives 222 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47305 + ... + 47771.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 2^22200246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25552800).

22200246 is an abundant number, since it is smaller than the sum of its proper divisors (28905354).

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

22200246 is a wasteful number, since it uses less digits than its factorization.

22200246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22200246 is about 4711.7137009797. The cubic root of 22200246 is about 281.0515138816.

Adding to 22200246 its reverse (64200222), we get a palindrome (86400468).

The spelling of 22200246 in words is "twenty-two million, two hundred thousand, two hundred forty-six".