2212650 has 96 divisors (see below), whose sum is σ = 6696000. Its totient is φ = 532800.

The previous prime is 2212633. The next prime is 2212657. The reversal of 2212650 is 562122.

2212650 is a `hidden beast` number, since 2 + 2 + 12 + 650 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2212657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14776 + ... + 14924.

It is an arithmetic number, because the mean of its divisors is an integer number (69750).

2^2212650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348000).

2212650 is an abundant number, since it is smaller than the sum of its proper divisors (4483350).

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

2212650 is a wasteful number, since it uses less digits than its factorization.

2212650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2212650 is about 1487.4978991582. The cubic root of 2212650 is about 130.3079484462.

Adding to 2212650 its reverse (562122), we get a palindrome (2774772).

The spelling of 2212650 in words is "two million, two hundred twelve thousand, six hundred fifty".