100345222 has 4 divisors (see below), whose sum is σ = 150517836. Its totient is φ = 50172610.

The previous prime is 100345211. The next prime is 100345229. The reversal of 100345222 is 222543001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100345222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100345229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25086304 + ... + 25086307.

It is an arithmetic number, because the mean of its divisors is an integer number (37629459).

Almost surely, 2^100345222 is an apocalyptic number.

100345222 is a deficient number, since it is larger than the sum of its proper divisors (50172614).

100345222 is an equidigital number, since it uses as much as digits as its factorization.

100345222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172613.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100345222 is about 10017.2462283803. The cubic root of 100345222 is about 464.6923960905.

Adding to 100345222 its reverse (222543001), we get a palindrome (322888223).

It can be divided in two parts, 1003 and 45222, that added together give a square (46225 = 215²).

The spelling of 100345222 in words is "one hundred million, three hundred forty-five thousand, two hundred twenty-two".