242211384 has 40 divisors (see below), whose sum is σ = 678417960. Its totient is φ = 80736912.

The previous prime is 242211383. The next prime is 242211391. The reversal of 242211384 is 483112242.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242211383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 186244 + ... + 187539.

It is an arithmetic number, because the mean of its divisors is an integer number (16960449).

Almost surely, 2^242211384 is an apocalyptic number.

242211384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242211384 is an abundant number, since it is smaller than the sum of its proper divisors (436206576).

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

242211384 is a wasteful number, since it uses less digits than its factorization.

242211384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373801 (or 373788 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 242211384 is about 15563.1418421860. The cubic root of 242211384 is about 623.3493587982.

The spelling of 242211384 in words is "two hundred forty-two million, two hundred eleven thousand, three hundred eighty-four".