213926226 has 16 divisors (see below), whose sum is σ = 441654528. Its totient is φ = 69008400.

The previous prime is 213926221. The next prime is 213926239. The reversal of 213926226 is 622629312.

It is not an unprimeable number, because it can be changed into a prime (213926221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574885 + ... + 575256.

It is an arithmetic number, because the mean of its divisors is an integer number (27603408).

Almost surely, 2^213926226 is an apocalyptic number.

213926226 is an abundant number, since it is smaller than the sum of its proper divisors (227728302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213926226 is a wasteful number, since it uses less digits than its factorization.

213926226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150177.

The product of its digits is 15552, while the sum is 33.

The square root of 213926226 is about 14626.2170775632. The cubic root of 213926226 is about 598.0736608702.

The spelling of 213926226 in words is "two hundred thirteen million, nine hundred twenty-six thousand, two hundred twenty-six".