22288634 has 8 divisors (see below), whose sum is σ = 35192640. Its totient is φ = 10557756.

The previous prime is 22288621. The next prime is 22288681. The reversal of 22288634 is 43688222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22288594 and 22288603.

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, 293234 + ... + 293309.

It is an arithmetic number, because the mean of its divisors is an integer number (4399080).

Almost surely, 2^22288634 is an apocalyptic number.

22288634 is a deficient number, since it is larger than the sum of its proper divisors (12904006).

22288634 is a wasteful number, since it uses less digits than its factorization.

22288634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586564.

The product of its digits is 36864, while the sum is 35.

The square root of 22288634 is about 4721.0839856965. The cubic root of 22288634 is about 281.4240125447.

It can be divided in two parts, 22288 and 634, that added together give a palindrome (22922).

The spelling of 22288634 in words is "twenty-two million, two hundred eighty-eight thousand, six hundred thirty-four".