2231659 has 8 divisors (see below), whose sum is σ = 2321792. Its totient is φ = 2142720.

The previous prime is 2231653. The next prime is 2231681. The reversal of 2231659 is 9561322.

2231659 = T₄₅ + T₄₆ + ... + T₂₃₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231659 - 2⁵ = 2231627 is a prime.

It is a super-3 number, since 3×2231659³ = 33343006621877772537, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5797 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (290224).

2^2231659 is an apocalyptic number.

2231659 is a deficient number, since it is larger than the sum of its proper divisors (90133).

2231659 is a wasteful number, since it uses less digits than its factorization.

2231659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its digits is 3240, while the sum is 28.

The square root of 2231659 is about 1493.8738233198. The cubic root of 2231659 is about 130.6800458615.

The spelling of 2231659 in words is "two million, two hundred thirty-one thousand, six hundred fifty-nine".