213606122 has 8 divisors (see below), whose sum is σ = 339256836. Its totient is φ = 100520512.

The previous prime is 213606119. The next prime is 213606131. The reversal of 213606122 is 221606312.

It can be written as a sum of positive squares in 2 ways, for example, as 172633321 + 40972801 = 13139^2 + 6401^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3141233 + ... + 3141300.

Almost surely, 2^213606122 is an apocalyptic number.

213606122 is a deficient number, since it is larger than the sum of its proper divisors (125650714).

213606122 is a wasteful number, since it uses less digits than its factorization.

213606122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282552.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 213606122 is about 14615.2701651389. The cubic root of 213606122 is about 597.7752069861.

The spelling of 213606122 in words is "two hundred thirteen million, six hundred six thousand, one hundred twenty-two".