2231477 has 2 divisors, whose sum is σ = 2231478. Its totient is φ = 2231476.

The previous prime is 2231461. The next prime is 2231479. The reversal of 2231477 is 7741322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 398161 = 1354^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231477 - 2⁴ = 2231461 is a prime.

It is a super-3 number, since 3×2231477³ = 33334849552653384999, which contains 333 as substring.

Together with 2231479, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₆₄₈₁₆ and since 2231477 and 164816 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115738 + 1115739.

It is an arithmetic number, because the mean of its divisors is an integer number (1115739).

2^2231477 is an apocalyptic number.

It is an amenable number.

2231477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231477 is an equidigital number, since it uses as much as digits as its factorization.

2231477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 26.

The square root of 2231477 is about 1493.8129066252. The cubic root of 2231477 is about 130.6764932855.

Adding to 2231477 its reverse (7741322), we get a palindrome (9972799).

The spelling of 2231477 in words is "two million, two hundred thirty-one thousand, four hundred seventy-seven".