213226750 has 64 divisors (see below), whose sum is σ = 461163456. Its totient is φ = 72960000.

The previous prime is 213226747. The next prime is 213226753. The reversal of 213226750 is 57622312.

It is an interprime number because it is at equal distance from previous prime (213226747) and next prime (213226753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213226753) 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 31 ways as a sum of consecutive naturals, for example, 44470 + ... + 49030.

It is an arithmetic number, because the mean of its divisors is an integer number (7205679).

Almost surely, 2^213226750 is an apocalyptic number.

213226750 is an abundant number, since it is smaller than the sum of its proper divisors (247936706).

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

213226750 is a wasteful number, since it uses less digits than its factorization.

213226750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4596 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 213226750 is about 14602.2857799729. The cubic root of 213226750 is about 597.4211073278.

It can be divided in two parts, 2132 and 26750, that added together give a palindrome (28882).

The spelling of 213226750 in words is "two hundred thirteen million, two hundred twenty-six thousand, seven hundred fifty".