212274514 has 4 divisors (see below), whose sum is σ = 318411774. Its totient is φ = 106137256.

The previous prime is 212274511. The next prime is 212274541. The reversal of 212274514 is 415472212.

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., 187224489 + 25050025 = 13683^2 + 5005^2 .

It is not an unprimeable number, because it can be changed into a prime (212274511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53068627 + ... + 53068630.

Almost surely, 2^212274514 is an apocalyptic number.

212274514 is a deficient number, since it is larger than the sum of its proper divisors (106137260).

212274514 is a wasteful number, since it uses less digits than its factorization.

212274514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106137259.

The product of its digits is 4480, while the sum is 28.

The square root of 212274514 is about 14569.6435783447. The cubic root of 212274514 is about 596.5304516549.

It can be divided in two parts, 2122 and 74514, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 212274514 in words is "two hundred twelve million, two hundred seventy-four thousand, five hundred fourteen".