242222407 has 8 divisors (see below), whose sum is σ = 288861696. Its totient is φ = 198592152.

The previous prime is 242222371. The next prime is 242222417. The reversal of 242222407 is 704222242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242222407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242222417) 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, 752083 + ... + 752404.

It is an arithmetic number, because the mean of its divisors is an integer number (36107712).

Almost surely, 2^242222407 is an apocalyptic number.

242222407 is a deficient number, since it is larger than the sum of its proper divisors (46639289).

242222407 is a wasteful number, since it uses less digits than its factorization.

242222407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504517.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 242222407 is about 15563.4959761617. The cubic root of 242222407 is about 623.3588148302.

Adding to 242222407 its reverse (704222242), we get a palindrome (946444649).

The spelling of 242222407 in words is "two hundred forty-two million, two hundred twenty-two thousand, four hundred seven".