100028722 has 8 divisors (see below), whose sum is σ = 152282736. Its totient is φ = 49267812.

The previous prime is 100028713. The next prime is 100028729. The reversal of 100028722 is 227820001.

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 = 100028693 and 100028702.

It is not an unprimeable number, because it can be changed into a prime (100028729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373108 + ... + 373375.

It is an arithmetic number, because the mean of its divisors is an integer number (19035342).

Almost surely, 2^100028722 is an apocalyptic number.

100028722 is a deficient number, since it is larger than the sum of its proper divisors (52254014).

100028722 is an equidigital number, since it uses as much as digits as its factorization.

100028722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746552.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 100028722 is about 10001.4359968956. The cubic root of 100028722 is about 464.2033176789.

Adding to 100028722 its reverse (227820001), we get a palindrome (327848723).

The spelling of 100028722 in words is "one hundred million, twenty-eight thousand, seven hundred twenty-two".