22010022 has 32 divisors (see below), whose sum is σ = 49183200. Its totient is φ = 7295904.

The previous prime is 22010003. The next prime is 22010033. The reversal of 22010022 is 22001022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22009986 and 22010013.

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, 9604 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (1536975).

Almost surely, 2^22010022 is an apocalyptic number.

22010022 is an abundant number, since it is smaller than the sum of its proper divisors (27173178).

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

22010022 is a wasteful number, since it uses less digits than its factorization.

22010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 22010022 is about 4691.4839869704. The cubic root of 22010022 is about 280.2464751489.

Adding to 22010022 its reverse (22001022), we get a palindrome (44011044).

The spelling of 22010022 in words is "twenty-two million, ten thousand, twenty-two".