22254622 has 8 divisors (see below), whose sum is σ = 35949816. Its totient is φ = 10271352.

The previous prime is 22254619. The next prime is 22254667. The reversal of 22254622 is 22645222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427948 + ... + 427999.

It is an arithmetic number, because the mean of its divisors is an integer number (4493727).

Almost surely, 2^22254622 is an apocalyptic number.

22254622 is a deficient number, since it is larger than the sum of its proper divisors (13695194).

22254622 is a wasteful number, since it uses less digits than its factorization.

22254622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855962.

The product of its digits is 3840, while the sum is 25.

The square root of 22254622 is about 4717.4804716077. The cubic root of 22254622 is about 281.2807905714.

Adding to 22254622 its reverse (22645222), we get a palindrome (44899844).

The spelling of 22254622 in words is "twenty-two million, two hundred fifty-four thousand, six hundred twenty-two".