662229216 has 192 divisors, whose sum is σ = 2144620800. Its totient is φ = 197107200.

The previous prime is 662229193. The next prime is 662229251. The reversal of 662229216 is 612922266.

662229216 is a `hidden beast` number, since 6 + 622 + 2 + 9 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560146 + ... + 561326.

It is an arithmetic number, because the mean of its divisors is an integer number (11169900).

Almost surely, 2^662229216 is an apocalyptic number.

662229216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662229216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072310400).

662229216 is an abundant number, since it is smaller than the sum of its proper divisors (1482391584).

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

662229216 is a wasteful number, since it uses less digits than its factorization.

662229216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1256 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 662229216 is about 25733.8146414402. The cubic root of 662229216 is about 871.6379132438.

The spelling of 662229216 in words is "six hundred sixty-two million, two hundred twenty-nine thousand, two hundred sixteen".