213522674 has 8 divisors (see below), whose sum is σ = 320971248. Its totient is φ = 106532260.

The previous prime is 213522619. The next prime is 213522689. The reversal of 213522674 is 476225312.

213522674 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×213522674² = 91183864624220552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213522674.

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, 113372 + ... + 115239.

It is an arithmetic number, because the mean of its divisors is an integer number (40121406).

Almost surely, 2^213522674 is an apocalyptic number.

213522674 is a deficient number, since it is larger than the sum of its proper divisors (107448574).

213522674 is a wasteful number, since it uses less digits than its factorization.

213522674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229080.

The product of its digits is 20160, while the sum is 32.

The square root of 213522674 is about 14612.4150639106. The cubic root of 213522674 is about 597.6973539697.

Adding to 213522674 its reverse (476225312), we get a palindrome (689747986).

The spelling of 213522674 in words is "two hundred thirteen million, five hundred twenty-two thousand, six hundred seventy-four".