213450522 has 32 divisors (see below), whose sum is σ = 451768320. Its totient is φ = 67045680.

The previous prime is 213450509. The next prime is 213450553. The reversal of 213450522 is 225054312.

It is a super-2 number, since 2×213450522² = 91122250684144968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213450492 and 213450501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16873 + ... + 26675.

It is an arithmetic number, because the mean of its divisors is an integer number (14117760).

Almost surely, 2^213450522 is an apocalyptic number.

213450522 is an abundant number, since it is smaller than the sum of its proper divisors (238317798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213450522 is a wasteful number, since it uses less digits than its factorization.

213450522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 213450522 is about 14609.9459957934. The cubic root of 213450522 is about 597.6300232314.

It can be divided in two parts, 21 and 3450522, that added together give a palindrome (3450543).

The spelling of 213450522 in words is "two hundred thirteen million, four hundred fifty thousand, five hundred twenty-two".