100221462 has 64 divisors (see below), whose sum is σ = 246078720. Its totient is φ = 30355560.

The previous prime is 100221427. The next prime is 100221487. The reversal of 100221462 is 264122001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47073 + ... + 49155.

It is an arithmetic number, because the mean of its divisors is an integer number (3844980).

Almost surely, 2^100221462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100221462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123039360).

100221462 is an abundant number, since it is smaller than the sum of its proper divisors (145857258).

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

100221462 is an equidigital number, since it uses as much as digits as its factorization.

100221462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 100221462 is about 10011.0669761020. The cubic root of 100221462 is about 464.5012759112.

Adding to 100221462 its reverse (264122001), we get a palindrome (364343463).

The spelling of 100221462 in words is "one hundred million, two hundred twenty-one thousand, four hundred sixty-two".