212450522 has 8 divisors (see below), whose sum is σ = 327288756. Its totient is φ = 103354272.

The previous prime is 212450489. The next prime is 212450527. The reversal of 212450522 is 225054212.

It can be written as a sum of positive squares in 2 ways, for example, as 157527601 + 54922921 = 12551^2 + 7411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212450527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435403 + ... + 1435550.

Almost surely, 2^212450522 is an apocalyptic number.

212450522 is a deficient number, since it is larger than the sum of its proper divisors (114838234).

212450522 is a wasteful number, since it uses less digits than its factorization.

212450522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870992.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 212450522 is about 14575.6825569165. The cubic root of 212450522 is about 596.6952777322.

The spelling of 212450522 in words is "two hundred twelve million, four hundred fifty thousand, five hundred twenty-two".