2281669 has 12 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 2011152.

The previous prime is 2281667. The next prime is 2281673. The reversal of 2281669 is 9661822.

It is a happy number.

It is not a de Polignac number, because 2281669 - 2¹ = 2281667 is a prime.

It is a super-2 number, since 2×2281669² = 10412026851122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3594 + ... + 4180.

It is an arithmetic number, because the mean of its divisors is an integer number (215208).

2^2281669 is an apocalyptic number.

It is an amenable number.

2281669 is a deficient number, since it is larger than the sum of its proper divisors (300827).

2281669 is a wasteful number, since it uses less digits than its factorization.

2281669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 623 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 2281669 is about 1510.5194470777. The cubic root of 2281669 is about 131.6489947619.

The spelling of 2281669 in words is "two million, two hundred eighty-one thousand, six hundred sixty-nine".