2243634551 has 16 divisors (see below), whose sum is σ = 2514526560. Its totient is φ = 1989411840.

The previous prime is 2243634499. The next prime is 2243634571. The reversal of 2243634551 is 1554363422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243634551 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 (2243634571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39275 + ... + 77651.

It is an arithmetic number, because the mean of its divisors is an integer number (157157910).

Almost surely, 2^2243634551 is an apocalyptic number.

2243634551 is a deficient number, since it is larger than the sum of its proper divisors (270892009).

2243634551 is a wasteful number, since it uses less digits than its factorization.

2243634551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38594.

The product of its digits is 86400, while the sum is 35.

The square root of 2243634551 is about 47367.0196550300. The cubic root of 2243634551 is about 1309.1338117517.

Adding to 2243634551 its reverse (1554363422), we get a palindrome (3797997973).

The spelling of 2243634551 in words is "two billion, two hundred forty-three million, six hundred thirty-four thousand, five hundred fifty-one".