2051322 has 72 divisors (see below), whose sum is σ = 5393376.
Its totient is φ = 509184.
The previous prime is 2051321. The next prime is 2051323. The reversal of 2051322 is 2231502.
It is an interprime number because it is at equal distance from previous prime (2051321) and next prime (2051323).
It is not an unprimeable number, because it can be changed into a prime (2051321) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120658 + ... + 120674.
It is an arithmetic number, because the mean of its divisors is an integer number (74908).
22051322 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2051322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696688).
2051322 is an abundant number, since it is smaller than the sum of its proper divisors (3342054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2051322 is a wasteful number, since it uses less digits than its factorization.
2051322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72 (or 42 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 2051322 is about 1432.2436943481.
The cubic root of 2051322 is about 127.0607104285.
Adding to 2051322 its reverse (2231502), we get a palindrome (4282824).
The spelling of 2051322 in words is "two million, fifty-one thousand, three hundred twenty-two".