212242354 has 4 divisors (see below), whose sum is σ = 318363534. Its totient is φ = 106121176.

The previous prime is 212242351. The next prime is 212242403. The reversal of 212242354 is 453242212.

212242354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154132225 + 58110129 = 12415^2 + 7623^2 .

It is a super-3 number, since 3×212242354³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (212242351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53060587 + ... + 53060590.

Almost surely, 2^212242354 is an apocalyptic number.

212242354 is a deficient number, since it is larger than the sum of its proper divisors (106121180).

212242354 is a wasteful number, since it uses less digits than its factorization.

212242354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106121179.

The product of its digits is 3840, while the sum is 25.

The square root of 212242354 is about 14568.5398719295. The cubic root of 212242354 is about 596.5003249605.

Adding to 212242354 its reverse (453242212), we get a palindrome (665484566).

The spelling of 212242354 in words is "two hundred twelve million, two hundred forty-two thousand, three hundred fifty-four".