213106322 has 64 divisors (see below), whose sum is σ = 405627264. Its totient is φ = 82467840.

The previous prime is 213106249. The next prime is 213106351. The reversal of 213106322 is 223601312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213106294 and 213106303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257273 + ... + 258099.

It is an arithmetic number, because the mean of its divisors is an integer number (6337926).

Almost surely, 2^213106322 is an apocalyptic number.

213106322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213106322 is a deficient number, since it is larger than the sum of its proper divisors (192520942).

213106322 is a wasteful number, since it uses less digits than its factorization.

213106322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 213106322 is about 14598.1615965847. The cubic root of 213106322 is about 597.3086139717.

Adding to 213106322 its reverse (223601312), we get a palindrome (436707634).

The spelling of 213106322 in words is "two hundred thirteen million, one hundred six thousand, three hundred twenty-two".