2231469 has 14 divisors (see below), whose sum is σ = 3346766. Its totient is φ = 1487160.

The previous prime is 2231461. The next prime is 2231477. The reversal of 2231469 is 9641322.

It is an interprime number because it is at equal distance from previous prime (2231461) and next prime (2231477).

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 26244 = 1485^2 + 162^2 .

It is not a de Polignac number, because 2231469 - 2³ = 2231461 is a prime.

It is a super-3 number, since 3×2231469³ = 33334491030687404127, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 3⁵ + 1 + 4⁸ + 6⁴ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231461) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 802 + ... + 2259.

2^2231469 is an apocalyptic number.

It is an amenable number.

2231469 is a deficient number, since it is larger than the sum of its proper divisors (1115297).

2231469 is an frugal number, since it uses more digits than its factorization.

2231469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079 (or 3064 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2231469 is about 1493.8102289113. The cubic root of 2231469 is about 130.6763371238.

The spelling of 2231469 in words is "two million, two hundred thirty-one thousand, four hundred sixty-nine".