246221239 has 4 divisors (see below), whose sum is σ = 268605000. Its totient is φ = 223837480.

The previous prime is 246221221. The next prime is 246221257. The reversal of 246221239 is 932122642.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (246221221) and next prime (246221257).

It is a cyclic number.

It is not a de Polignac number, because 246221239 - 2⁵ = 246221207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 246221239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246321239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11191864 + ... + 11191885.

It is an arithmetic number, because the mean of its divisors is an integer number (67151250).

Almost surely, 2^246221239 is an apocalyptic number.

246221239 is a deficient number, since it is larger than the sum of its proper divisors (22383761).

246221239 is a wasteful number, since it uses less digits than its factorization.

246221239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383760.

The product of its digits is 10368, while the sum is 31.

The square root of 246221239 is about 15691.4383980564. The cubic root of 246221239 is about 626.7704374267.

The spelling of 246221239 in words is "two hundred forty-six million, two hundred twenty-one thousand, two hundred thirty-nine".