213998522 has 8 divisors (see below), whose sum is σ = 321324672. Its totient is φ = 106890300.

The previous prime is 213998489. The next prime is 213998579. The reversal of 213998522 is 225899312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213998522.

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, 52004 + ... + 55967.

It is an arithmetic number, because the mean of its divisors is an integer number (40165584).

Almost surely, 2^213998522 is an apocalyptic number.

213998522 is a deficient number, since it is larger than the sum of its proper divisors (107326150).

213998522 is a wasteful number, since it uses less digits than its factorization.

213998522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108964.

The product of its digits is 77760, while the sum is 41.

The square root of 213998522 is about 14628.6883212406. The cubic root of 213998522 is about 598.1410259370.

The spelling of 213998522 in words is "two hundred thirteen million, nine hundred ninety-eight thousand, five hundred twenty-two".