242214646 has 4 divisors (see below), whose sum is σ = 363321972. Its totient is φ = 121107322.

The previous prime is 242214631. The next prime is 242214649. The reversal of 242214646 is 646412242.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242214649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60553660 + ... + 60553663.

It is an arithmetic number, because the mean of its divisors is an integer number (90830493).

Almost surely, 2^242214646 is an apocalyptic number.

242214646 is a deficient number, since it is larger than the sum of its proper divisors (121107326).

242214646 is a wasteful number, since it uses less digits than its factorization.

242214646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121107325.

The product of its digits is 18432, while the sum is 31.

The square root of 242214646 is about 15563.2466407238. The cubic root of 242214646 is about 623.3521571204.

Adding to 242214646 its reverse (646412242), we get a palindrome (888626888).

The spelling of 242214646 in words is "two hundred forty-two million, two hundred fourteen thousand, six hundred forty-six".