662224620 has 96 divisors (see below), whose sum is σ = 1909043136. Its totient is φ = 171417600.

The previous prime is 662224567. The next prime is 662224621. The reversal of 662224620 is 26422266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (662224621) 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 31 ways as a sum of consecutive naturals, for example, 592302 + ... + 593418.

It is an arithmetic number, because the mean of its divisors is an integer number (19885866).

Almost surely, 2^662224620 is an apocalyptic number.

662224620 is a gapful number since it is divisible by the number (60) 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 662224620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954521568).

662224620 is an abundant number, since it is smaller than the sum of its proper divisors (1246818516).

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

662224620 is a wasteful number, since it uses less digits than its factorization.

662224620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 662224620 is about 25733.7253424373. The cubic root of 662224620 is about 871.6358967934.

Adding to 662224620 its reverse (26422266), we get a palindrome (688646886).

It can be divided in two parts, 6622246 and 20, that added together give a palindrome (6622266).

The spelling of 662224620 in words is "six hundred sixty-two million, two hundred twenty-four thousand, six hundred twenty".