2520226 has 4 divisors (see below), whose sum is σ = 3780342. Its totient is φ = 1260112.

The previous prime is 2520211. The next prime is 2520241. The reversal of 2520226 is 6220252.

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

It is an interprime number because it is at equal distance from previous prime (2520211) and next prime (2520241).

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 39601 = 1575^2 + 199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630055 + ... + 630058.

2^2520226 is an apocalyptic number.

2520226 is a deficient number, since it is larger than the sum of its proper divisors (1260116).

2520226 is a wasteful number, since it uses less digits than its factorization.

2520226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260115.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2520226 is about 1587.5219683519. The cubic root of 2520226 is about 136.0859102525.

Adding to 2520226 its reverse (6220252), we get a palindrome (8740478).

The spelling of 2520226 in words is "two million, five hundred twenty thousand, two hundred twenty-six".