22200010 has 32 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 7517760.

The previous prime is 22200001. The next prime is 22200023. The reversal of 22200010 is 1000222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 22199966 and 22200002.

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, 3900 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716).

Almost surely, 2^22200010 is an apocalyptic number.

22200010 is an abundant number, since it is smaller than the sum of its proper divisors (24030902).

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

22200010 is a wasteful number, since it uses less digits than its factorization.

22200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 22200010 is about 4711.6886569467. The cubic root of 22200010 is about 281.0505179708.

Adding to 22200010 its reverse (1000222), we get a palindrome (23200232).

The spelling of 22200010 in words is "twenty-two million, two hundred thousand, ten".