2250222 has 32 divisors (see below), whose sum is σ = 5134752. Its totient is φ = 651264.

The previous prime is 2250181. The next prime is 2250223. The reversal of 2250222 is 2220522.

It is an Ulam number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (160461).

2^2250222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2250222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567376).

2250222 is an abundant number, since it is smaller than the sum of its proper divisors (2884530).

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

2250222 is a wasteful number, since it uses less digits than its factorization.

2250222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2250222 is about 1500.0739981748. The cubic root of 2250222 is about 131.0413792323.

Adding to 2250222 its reverse (2220522), we get a palindrome (4470744).

It can be divided in two parts, 2250 and 222, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 2250222 in words is "two million, two hundred fifty thousand, two hundred twenty-two".