2231461 has 2 divisors, whose sum is σ = 2231462. Its totient is φ = 2231460.

The previous prime is 2231447. The next prime is 2231477. The reversal of 2231461 is 1641322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 864900 = 1169^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231461 - 2⁵ = 2231429 is a prime.

It is a super-3 number, since 3×2231461³ = 33334132511292075543, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115730 + 1115731.

It is an arithmetic number, because the mean of its divisors is an integer number (1115731).

2^2231461 is an apocalyptic number.

It is an amenable number.

2231461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231461 is an equidigital number, since it uses as much as digits as its factorization.

2231461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 2231461 is about 1493.8075511926. The cubic root of 2231461 is about 130.6761809618.

Adding to 2231461 its reverse (1641322), we get a palindrome (3872783).

The spelling of 2231461 in words is "two million, two hundred thirty-one thousand, four hundred sixty-one".