100223722 has 4 divisors (see below), whose sum is σ = 150335586. Its totient is φ = 50111860.

The previous prime is 100223699. The next prime is 100223723. The reversal of 100223722 is 227322001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87628321 + 12595401 = 9361^2 + 3549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100223722.

It is not an unprimeable number, because it can be changed into a prime (100223723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055929 + ... + 25055932.

Almost surely, 2^100223722 is an apocalyptic number.

100223722 is a deficient number, since it is larger than the sum of its proper divisors (50111864).

100223722 is an equidigital number, since it uses as much as digits as its factorization.

100223722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111863.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 100223722 is about 10011.1798505471. The cubic root of 100223722 is about 464.5047673955.

Adding to 100223722 its reverse (227322001), we get a palindrome (327545723).

The spelling of 100223722 in words is "one hundred million, two hundred twenty-three thousand, seven hundred twenty-two".