213626226 has 24 divisors (see below), whose sum is σ = 469626192. Its totient is φ = 64735000.

The previous prime is 213626219. The next prime is 213626227. The reversal of 213626226 is 622626312.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213626193 and 213626202.

It is not an unprimeable number, because it can be changed into a prime (213626227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146400 + ... + 147851.

It is an arithmetic number, because the mean of its divisors is an integer number (19567758).

Almost surely, 2^213626226 is an apocalyptic number.

213626226 is an abundant number, since it is smaller than the sum of its proper divisors (255999966).

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

213626226 is a wasteful number, since it uses less digits than its factorization.

213626226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294278 (or 294267 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 213626226 is about 14615.9579227637. The cubic root of 213626226 is about 597.7939600312.

The spelling of 213626226 in words is "two hundred thirteen million, six hundred twenty-six thousand, two hundred twenty-six".