22220750 has 16 divisors (see below), whose sum is σ = 41597712. Its totient is φ = 8888200.

The previous prime is 22220741. The next prime is 22220753. The reversal of 22220750 is 5702222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44192 + ... + 44691.

It is an arithmetic number, because the mean of its divisors is an integer number (2599857).

Almost surely, 2^22220750 is an apocalyptic number.

22220750 is a deficient number, since it is larger than the sum of its proper divisors (19376962).

22220750 is an equidigital number, since it uses as much as digits as its factorization.

22220750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88900 (or 88890 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22220750 is about 4713.8890525764. The cubic root of 22220750 is about 281.1380130286.

Adding to 22220750 its reverse (5702222), we get a palindrome (27922972).

The spelling of 22220750 in words is "twenty-two million, two hundred twenty thousand, seven hundred fifty".