938225211 has 16 divisors (see below), whose sum is σ = 1559647488. Its totient is φ = 487389600.

The previous prime is 938225207. The next prime is 938225221. The reversal of 938225211 is 112522839.

It is a happy number.

It is not a de Polignac number, because 938225211 - 2² = 938225207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (938225221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030560 + ... + 2031021.

It is an arithmetic number, because the mean of its divisors is an integer number (97477968).

Almost surely, 2^938225211 is an apocalyptic number.

938225211 is a deficient number, since it is larger than the sum of its proper divisors (621422277).

938225211 is a wasteful number, since it uses less digits than its factorization.

938225211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061602.

The product of its digits is 8640, while the sum is 33.

The square root of 938225211 is about 30630.4621414696. The cubic root of 938225211 is about 978.9692101429.

The spelling of 938225211 in words is "nine hundred thirty-eight million, two hundred twenty-five thousand, two hundred eleven".