213254522 has 8 divisors (see below), whose sum is σ = 344488116. Its totient is φ = 98425152.

The previous prime is 213254449. The next prime is 213254533. The reversal of 213254522 is 225452312.

It can be written as a sum of positive squares in 2 ways, for example, as 212547241 + 707281 = 14579^2 + 841^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 8202097 = 213254522 / (2 + 1 + 3 + 2 + 5 + 4 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 213254491 and 213254500.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4101023 + ... + 4101074.

Almost surely, 2^213254522 is an apocalyptic number.

213254522 is a deficient number, since it is larger than the sum of its proper divisors (131233594).

213254522 is a wasteful number, since it uses less digits than its factorization.

213254522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202112.

The product of its digits is 4800, while the sum is 26.

The square root of 213254522 is about 14603.2366960205. The cubic root of 213254522 is about 597.4470435025.

The spelling of 213254522 in words is "two hundred thirteen million, two hundred fifty-four thousand, five hundred twenty-two".