212202474 has 64 divisors (see below), whose sum is σ = 480332160. Its totient is φ = 61931520.

The previous prime is 212202461. The next prime is 212202481. The reversal of 212202474 is 474202212.

It is an unprimeable number.

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, 275562 + ... + 276330.

It is an arithmetic number, because the mean of its divisors is an integer number (7505190).

Almost surely, 2^212202474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212202474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240166080).

212202474 is an abundant number, since it is smaller than the sum of its proper divisors (268129686).

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

212202474 is a wasteful number, since it uses less digits than its factorization.

212202474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 212202474 is about 14567.1711049194. The cubic root of 212202474 is about 596.4629621335.

Adding to 212202474 its reverse (474202212), we get a palindrome (686404686).

The spelling of 212202474 in words is "two hundred twelve million, two hundred two thousand, four hundred seventy-four".