2152226 has 4 divisors (see below), whose sum is σ = 3228342. Its totient is φ = 1076112.

The previous prime is 2152219. The next prime is 2152229. The reversal of 2152226 is 6222512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 724201 = 1195^2 + 851^2 .

It is a d-powerful number, because it can be written as 2⁶ + 1 + 5⁸ + 2¹⁴ + 2¹⁵ + 2¹⁵ + 6⁸ .

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2152198 and 2152207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538055 + ... + 538058.

2^2152226 is an apocalyptic number.

2152226 is a deficient number, since it is larger than the sum of its proper divisors (1076116).

2152226 is a wasteful number, since it uses less digits than its factorization.

2152226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076115.

The product of its digits is 480, while the sum is 20.

The square root of 2152226 is about 1467.0466931901. The cubic root of 2152226 is about 129.1108155809.

Adding to 2152226 its reverse (6222512), we get a palindrome (8374738).

The spelling of 2152226 in words is "two million, one hundred fifty-two thousand, two hundred twenty-six".