242222464 has 64 divisors (see below), whose sum is σ = 534055680. Its totient is φ = 108505600.

The previous prime is 242222441. The next prime is 242222467. The reversal of 242222464 is 464222242.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242222467) 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, 98757 + ... + 101179.

It is an arithmetic number, because the mean of its divisors is an integer number (8344620).

Almost surely, 2^242222464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267027840).

242222464 is an abundant number, since it is smaller than the sum of its proper divisors (291833216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242222464 is a wasteful number, since it uses less digits than its factorization.

242222464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519 (or 2507 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 242222464 is about 15563.4978073697. The cubic root of 242222464 is about 623.3588637266.

The spelling of 242222464 in words is "two hundred forty-two million, two hundred twenty-two thousand, four hundred sixty-four".