242211406 has 8 divisors (see below), whose sum is σ = 366712920. Its totient is φ = 119973768.

The previous prime is 242211391. The next prime is 242211421. The reversal of 242211406 is 604112242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242211391) and next prime (242211421).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565701 + ... + 566128.

It is an arithmetic number, because the mean of its divisors is an integer number (45839115).

Almost surely, 2^242211406 is an apocalyptic number.

242211406 is a deficient number, since it is larger than the sum of its proper divisors (124501514).

242211406 is a wasteful number, since it uses less digits than its factorization.

242211406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131938.

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

The square root of 242211406 is about 15563.1425489841. The cubic root of 242211406 is about 623.3493776711.

Adding to 242211406 its reverse (604112242), we get a palindrome (846323648).

The spelling of 242211406 in words is "two hundred forty-two million, two hundred eleven thousand, four hundred six".