2240551 has 2 divisors, whose sum is σ = 2240552. Its totient is φ = 2240550.

The previous prime is 2240533. The next prime is 2240573. The reversal of 2240551 is 1550422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240551 - 2¹⁵ = 2207783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120275 + 1120276.

It is an arithmetic number, because the mean of its divisors is an integer number (1120276).

2^2240551 is an apocalyptic number.

2240551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240551 is an equidigital number, since it uses as much as digits as its factorization.

2240551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2240551 is about 1496.8470195715. The cubic root of 2240551 is about 130.8533798467.

Adding to 2240551 its reverse (1550422), we get a palindrome (3790973).

The spelling of 2240551 in words is "two million, two hundred forty thousand, five hundred fifty-one".