2240629 has 2 divisors, whose sum is σ = 2240630. Its totient is φ = 2240628.

The previous prime is 2240597. The next prime is 2240633. The reversal of 2240629 is 9260422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 286225 = 1398^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240629 - 2⁵ = 2240597 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 4⁶ + 0 + 6² + 2²¹ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120314 + 1120315.

It is an arithmetic number, because the mean of its divisors is an integer number (1120315).

2^2240629 is an apocalyptic number.

It is an amenable number.

2240629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240629 is an equidigital number, since it uses as much as digits as its factorization.

2240629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2240629 is about 1496.8730741115. The cubic root of 2240629 is about 130.8548982894.

The spelling of 2240629 in words is "two million, two hundred forty thousand, six hundred twenty-nine".