2231707 has 2 divisors, whose sum is σ = 2231708. Its totient is φ = 2231706.

The previous prime is 2231687. The next prime is 2231711. The reversal of 2231707 is 7071322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231707 - 2¹¹ = 2229659 is a prime.

It is a super-3 number, since 3×2231707³ = 33345158158571250729, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115853 + 1115854.

It is an arithmetic number, because the mean of its divisors is an integer number (1115854).

2^2231707 is an apocalyptic number.

2231707 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231707 is an equidigital number, since it uses as much as digits as its factorization.

2231707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2231707 is about 1493.8898888472. The cubic root of 2231707 is about 130.6809827725.

The spelling of 2231707 in words is "two million, two hundred thirty-one thousand, seven hundred seven".