246140221 has 8 divisors (see below), whose sum is σ = 249868800. Its totient is φ = 242427120.

The previous prime is 246140207. The next prime is 246140249. The reversal of 246140221 is 122041642.

It is a happy number.

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 246140221 - 2¹⁹ = 245615933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 246140192 and 246140201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246140201) 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, 30435 + ... + 37663.

It is an arithmetic number, because the mean of its divisors is an integer number (31233600).

Almost surely, 2^246140221 is an apocalyptic number.

It is an amenable number.

246140221 is a deficient number, since it is larger than the sum of its proper divisors (3728579).

246140221 is an equidigital number, since it uses as much as digits as its factorization.

246140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 246140221 is about 15688.8565867625. The cubic root of 246140221 is about 626.7016845466.

Adding to 246140221 its reverse (122041642), we get a palindrome (368181863).

The spelling of 246140221 in words is "two hundred forty-six million, one hundred forty thousand, two hundred twenty-one".