22228950 has 24 divisors (see below), whose sum is σ = 55128168. Its totient is φ = 5927680.

The previous prime is 22228939. The next prime is 22228951. The reversal of 22228950 is 5982222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22228951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73947 + ... + 74246.

It is an arithmetic number, because the mean of its divisors is an integer number (2297007).

Almost surely, 2^22228950 is an apocalyptic number.

22228950 is an abundant number, since it is smaller than the sum of its proper divisors (32899218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22228950 is a wasteful number, since it uses less digits than its factorization.

22228950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148208 (or 148203 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22228950 is about 4714.7587425021. The cubic root of 22228950 is about 281.1725910422.

The spelling of 22228950 in words is "twenty-two million, two hundred twenty-eight thousand, nine hundred fifty".