2572226 has 8 divisors (see below), whose sum is σ = 3866940. Its totient is φ = 1283248.

The previous prime is 2572211. The next prime is 2572231. The reversal of 2572226 is 6222752.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 9025 = 1601^2 + 95^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2572195 and 2572204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41 + ... + 2268.

2^2572226 is an apocalyptic number.

2572226 is a deficient number, since it is larger than the sum of its proper divisors (1294714).

2572226 is a wasteful number, since it uses less digits than its factorization.

2572226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its digits is 3360, while the sum is 26.

The square root of 2572226 is about 1603.8160742429. The cubic root of 2572226 is about 137.0155025347.

Adding to 2572226 its reverse (6222752), we get a palindrome (8794978).

The spelling of 2572226 in words is "two million, five hundred seventy-two thousand, two hundred twenty-six".