2230729 has 8 divisors (see below), whose sum is σ = 2320128. Its totient is φ = 2142480.

The previous prime is 2230727. The next prime is 2230759. The reversal of 2230729 is 9270322.

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

It is a cyclic number.

It is not a de Polignac number, because 2230729 - 2¹ = 2230727 is a prime.

It is a super-3 number, since 3×2230729³ = 33301338864083131467, which contains 333 as substring.

It is a Duffinian number.

2230729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2230721) 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, 6879 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (290016).

2^2230729 is an apocalyptic number.

It is an amenable number.

2230729 is a deficient number, since it is larger than the sum of its proper divisors (89399).

2230729 is a wasteful number, since it uses less digits than its factorization.

2230729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2230729 is about 1493.5625196154. The cubic root of 2230729 is about 130.6618905596.

The spelling of 2230729 in words is "two million, two hundred thirty thousand, seven hundred twenty-nine".