2210222250 has 48 divisors (see below), whose sum is σ = 5976447048. Its totient is φ = 589392000.

The previous prime is 2210222249. The next prime is 2210222279. The reversal of 2210222250 is 522220122.

It can be written as a sum of positive squares in 4 ways, for example, as 274134249 + 1936088001 = 16557^2 + 44001^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488911 + ... + 493410.

Almost surely, 2^2210222250 is an apocalyptic number.

2210222250 is an abundant number, since it is smaller than the sum of its proper divisors (3766224798).

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

2210222250 is a wasteful number, since it uses less digits than its factorization.

2210222250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982344 (or 982331 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2210222250 is about 47013.0008614638. Note that the first 3 decimals coincide. The cubic root of 2210222250 is about 1302.6027244748.

Adding to 2210222250 its reverse (522220122), we get a palindrome (2732442372).

The spelling of 2210222250 in words is "two billion, two hundred ten million, two hundred twenty-two thousand, two hundred fifty".