2269409 has 2 divisors, whose sum is σ = 2269410. Its totient is φ = 2269408.

The previous prime is 2269361. The next prime is 2269429. The reversal of 2269409 is 9049622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 253009 = 1420^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2269409 - 2²⁰ = 1220833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2269429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134704 + 1134705.

It is an arithmetic number, because the mean of its divisors is an integer number (1134705).

2^2269409 is an apocalyptic number.

It is an amenable number.

2269409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2269409 is an equidigital number, since it uses as much as digits as its factorization.

2269409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2269409 is about 1506.4557743260. The cubic root of 2269409 is about 131.4127764235.

The spelling of 2269409 in words is "two million, two hundred sixty-nine thousand, four hundred nine".