213334242 has 32 divisors (see below), whose sum is σ = 489957120. Its totient is φ = 61243920.

The previous prime is 213334217. The next prime is 213334243. The reversal of 213334242 is 242433312.

It is a super-2 number, since 2×213334242² = 91022997619429128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213334243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83808 + ... + 86315.

It is an arithmetic number, because the mean of its divisors is an integer number (15311160).

Almost surely, 2^213334242 is an apocalyptic number.

213334242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213334242 is an abundant number, since it is smaller than the sum of its proper divisors (276622878).

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

213334242 is a wasteful number, since it uses less digits than its factorization.

213334242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170158.

The product of its digits is 3456, while the sum is 24.

The square root of 213334242 is about 14605.9659728482. The cubic root of 213334242 is about 597.5214812279.

Adding to 213334242 its reverse (242433312), we get a palindrome (455767554).

The spelling of 213334242 in words is "two hundred thirteen million, three hundred thirty-four thousand, two hundred forty-two".