22225622 has 4 divisors (see below), whose sum is σ = 33338436. Its totient is φ = 11112810.

The previous prime is 22225607. The next prime is 22225639. The reversal of 22225622 is 22652222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556404 + ... + 5556407.

It is an arithmetic number, because the mean of its divisors is an integer number (8334609).

Almost surely, 2^22225622 is an apocalyptic number.

22225622 is a deficient number, since it is larger than the sum of its proper divisors (11112814).

22225622 is a wasteful number, since it uses less digits than its factorization.

22225622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112813.

The product of its digits is 1920, while the sum is 23.

The square root of 22225622 is about 4714.4057950075. The cubic root of 22225622 is about 281.1585584543.

Adding to 22225622 its reverse (22652222), we get a palindrome (44877844).

The spelling of 22225622 in words is "twenty-two million, two hundred twenty-five thousand, six hundred twenty-two".