2205050551 has 4 divisors (see below), whose sum is σ = 2405509704. Its totient is φ = 2004591400.

The previous prime is 2205050521. The next prime is 2205050579. The reversal of 2205050551 is 1550505022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2205050551 - 2²⁷ = 2070832823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205050521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100229560 + ... + 100229581.

It is an arithmetic number, because the mean of its divisors is an integer number (601377426).

Almost surely, 2^2205050551 is an apocalyptic number.

2205050551 is a deficient number, since it is larger than the sum of its proper divisors (200459153).

2205050551 is a wasteful number, since it uses less digits than its factorization.

2205050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200459152.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2205050551 is about 46957.9657885646. The cubic root of 2205050551 is about 1301.5859443108.

Adding to 2205050551 its reverse (1550505022), we get a palindrome (3755555573).

The spelling of 2205050551 in words is "two billion, two hundred five million, fifty thousand, five hundred fifty-one".