210228948 has 18 divisors (see below), whose sum is σ = 531412154. Its totient is φ = 70076304.

The previous prime is 210228937. The next prime is 210228959. The reversal of 210228948 is 849822012.

It is an interprime number because it is at equal distance from previous prime (210228937) and next prime (210228959).

It can be written as a sum of positive squares in only one way, i.e., 113167044 + 97061904 = 10638^2 + 9852^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5839693 = 210228948 / (2 + 1 + 0 + 2 + 2 + 8 + 9 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2919811 + ... + 2919882.

Almost surely, 2^210228948 is an apocalyptic number.

It is an amenable number.

210228948 is an abundant number, since it is smaller than the sum of its proper divisors (321183206).

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

210228948 is a wasteful number, since it uses less digits than its factorization.

210228948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839703 (or 5839698 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 210228948 is about 14499.2740507930. The cubic root of 210228948 is about 594.6081246092.

The spelling of 210228948 in words is "two hundred ten million, two hundred twenty-eight thousand, nine hundred forty-eight".