100621222 has 8 divisors (see below), whose sum is σ = 162542016. Its totient is φ = 46440552.

The previous prime is 100621217. The next prime is 100621253. The reversal of 100621222 is 222126001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100621196 and 100621205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1934998 + ... + 1935049.

It is an arithmetic number, because the mean of its divisors is an integer number (20317752).

Almost surely, 2^100621222 is an apocalyptic number.

100621222 is a deficient number, since it is larger than the sum of its proper divisors (61920794).

100621222 is a wasteful number, since it uses less digits than its factorization.

100621222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870062.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100621222 is about 10031.0130096616. The cubic root of 100621222 is about 465.1180522714.

Adding to 100621222 its reverse (222126001), we get a palindrome (322747223).

The spelling of 100621222 in words is "one hundred million, six hundred twenty-one thousand, two hundred twenty-two".