22628488 has 16 divisors (see below), whose sum is σ = 42552000. Its totient is φ = 11281296.

The previous prime is 22628483. The next prime is 22628521. The reversal of 22628488 is 88482622.

It is a super-3 number, since 3×22628488³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22628488.

It is not an unprimeable number, because it can be changed into a prime (22628483) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 6811.

It is an arithmetic number, because the mean of its divisors is an integer number (2659500).

Almost surely, 2^22628488 is an apocalyptic number.

It is an amenable number.

22628488 is a deficient number, since it is larger than the sum of its proper divisors (19923512).

22628488 is a wasteful number, since it uses less digits than its factorization.

22628488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244 (or 8240 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 22628488 is about 4756.9410338998. The cubic root of 22628488 is about 282.8471749127.

The spelling of 22628488 in words is "twenty-two million, six hundred twenty-eight thousand, four hundred eighty-eight".