100223420 has 96 divisors (see below), whose sum is σ = 248209920. Its totient is φ = 33608960.

The previous prime is 100223399. The next prime is 100223437. The reversal of 100223420 is 24322001.

It is a junction number, because it is equal to n+sod(n) for n = 100223395 and 100223404.

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, 146399 + ... + 147081.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^100223420 is an apocalyptic number.

100223420 is a gapful number since it is divisible by the number (10) 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 100223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124104960).

100223420 is an abundant number, since it is smaller than the sum of its proper divisors (147986500).

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

100223420 is a wasteful number, since it uses less digits than its factorization.

100223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100223420 is about 10011.1647673984. The cubic root of 100223420 is about 464.5043008373.

Adding to 100223420 its reverse (24322001), we get a palindrome (124545421).

The spelling of 100223420 in words is "one hundred million, two hundred twenty-three thousand, four hundred twenty".