2231430 has 16 divisors (see below), whose sum is σ = 5355504. Its totient is φ = 595040.

The previous prime is 2231429. The next prime is 2231431. The reversal of 2231430 is 341322.

It is an interprime number because it is at equal distance from previous prime (2231429) and next prime (2231431).

It is a super-3 number, since 3×2231430³ = 33332743272915621000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37161 + ... + 37220.

It is an arithmetic number, because the mean of its divisors is an integer number (334719).

2^2231430 is an apocalyptic number.

2231430 is an abundant number, since it is smaller than the sum of its proper divisors (3124074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231430 is a wasteful number, since it uses less digits than its factorization.

2231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74391.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2231430 is about 1493.7971749873. The cubic root of 2231430 is about 130.6755758306.

Adding to 2231430 its reverse (341322), we get a palindrome (2572752).

It can be divided in two parts, 223 and 1430, that added together give a triangular number (1653 = T₅₇).

The spelling of 2231430 in words is "two million, two hundred thirty-one thousand, four hundred thirty".