2204451 has 6 divisors (see below), whose sum is σ = 3184220. Its totient is φ = 1469628.

The previous prime is 2204443. The next prime is 2204453. The reversal of 2204451 is 1544022.

2204451 is a `hidden beast` number, since 220 + 445 + 1 = 666.

It is not a de Polignac number, because 2204451 - 2³ = 2204443 is a prime.

It is a super-2 number, since 2×2204451² = 9719208422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122461 + ... + 122478.

2^2204451 is an apocalyptic number.

2204451 is a deficient number, since it is larger than the sum of its proper divisors (979769).

2204451 is a wasteful number, since it uses less digits than its factorization.

2204451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244945 (or 244942 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2204451 is about 1484.7393710682. The cubic root of 2204451 is about 130.1467966986.

Adding to 2204451 its reverse (1544022), we get a palindrome (3748473).

The spelling of 2204451 in words is "two million, two hundred four thousand, four hundred fifty-one".