2212056 has 192 divisors, whose sum is σ = 8208000. Its totient is φ = 544320.

The previous prime is 2212051. The next prime is 2212069. The reversal of 2212056 is 6502122.

2212056 = 188² + 189² + ... + 236².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212051) 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, 116415 + ... + 116433.

It is an arithmetic number, because the mean of its divisors is an integer number (42750).

2^2212056 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 2212056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4104000).

2212056 is an abundant number, since it is smaller than the sum of its proper divisors (5995944).

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

2212056 is a wasteful number, since it uses less digits than its factorization.

2212056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 42 counting only the distinct ones).

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

The square root of 2212056 is about 1487.2982216086. The cubic root of 2212056 is about 130.2962867360.

Adding to 2212056 its reverse (6502122), we get a palindrome (8714178).

The spelling of 2212056 in words is "two million, two hundred twelve thousand, fifty-six".