210226438 has 12 divisors (see below), whose sum is σ = 325843020. Its totient is φ = 101721540.

The previous prime is 210226433. The next prime is 210226439. The reversal of 210226438 is 834622012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210226433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52768 + ... + 56611.

It is an arithmetic number, because the mean of its divisors is an integer number (27153585).

Almost surely, 2^210226438 is an apocalyptic number.

210226438 is a deficient number, since it is larger than the sum of its proper divisors (115616582).

210226438 is a wasteful number, since it uses less digits than its factorization.

210226438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109443 (or 109412 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 210226438 is about 14499.1874944771. The cubic root of 210226438 is about 594.6057581854.

The spelling of 210226438 in words is "two hundred ten million, two hundred twenty-six thousand, four hundred thirty-eight".