1052216 has 24 divisors (see below), whose sum is σ = 2170560. Its totient is φ = 477840.

The previous prime is 1052203. The next prime is 1052221. The reversal of 1052216 is 6122501.

It is a super-2 number, since 2×1052216² = 2214317021312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052194 and 1052203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (90440).

2^1052216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085280).

1052216 is an abundant number, since it is smaller than the sum of its proper divisors (1118344).

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

1052216 is a wasteful number, since it uses less digits than its factorization.

1052216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1052216 is about 1025.7758039650. The cubic root of 1052216 is about 101.7110881159.

Adding to 1052216 its reverse (6122501), we get a palindrome (7174717).

The spelling of 1052216 in words is "one million, fifty-two thousand, two hundred sixteen".