212270074 has 4 divisors (see below), whose sum is σ = 318405114. Its totient is φ = 106135036.

The previous prime is 212270063. The next prime is 212270081. The reversal of 212270074 is 470072212.

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., 156125025 + 56145049 = 12495^2 + 7493^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53067517 + ... + 53067520.

Almost surely, 2^212270074 is an apocalyptic number.

212270074 is a deficient number, since it is larger than the sum of its proper divisors (106135040).

212270074 is a wasteful number, since it uses less digits than its factorization.

212270074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106135039.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 212270074 is about 14569.4912059413. The cubic root of 212270074 is about 596.5262925535.

The spelling of 212270074 in words is "two hundred twelve million, two hundred seventy thousand, seventy-four".