2269491 has 16 divisors (see below), whose sum is σ = 3512064. Its totient is φ = 1276704.

The previous prime is 2269481. The next prime is 2269499. The reversal of 2269491 is 1949622.

It is not a de Polignac number, because 2269491 - 2⁵ = 2269459 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁹ + 6⁸ + 9 + 4⁸ + 9 + 1 .

2269491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2269499) 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, 601 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (219504).

2^2269491 is an apocalyptic number.

2269491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2269491 is a deficient number, since it is larger than the sum of its proper divisors (1242573).

2269491 is a wasteful number, since it uses less digits than its factorization.

2269491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 7776, while the sum is 33.

The square root of 2269491 is about 1506.4829902790. The cubic root of 2269491 is about 131.4143591730.

The spelling of 2269491 in words is "two million, two hundred sixty-nine thousand, four hundred ninety-one".