213744322 has 12 divisors (see below), whose sum is σ = 352413558. Its totient is φ = 97156400.

The previous prime is 213744263. The next prime is 213744329. The reversal of 213744322 is 223447312.

It can be written as a sum of positive squares in only one way, i.e., 185749641 + 27994681 = 13629^2 + 5291^2 .

It is not an unprimeable number, because it can be changed into a prime (213744329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441379 + ... + 441862.

Almost surely, 2^213744322 is an apocalyptic number.

213744322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213744322 is a deficient number, since it is larger than the sum of its proper divisors (138669236).

213744322 is a wasteful number, since it uses less digits than its factorization.

213744322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883265 (or 883254 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 213744322 is about 14619.9973324211. The cubic root of 213744322 is about 597.9040964312.

The spelling of 213744322 in words is "two hundred thirteen million, seven hundred forty-four thousand, three hundred twenty-two".