300000222223021 has 4 divisors (see below), whose sum is σ = 315789707603200. Its totient is φ = 284210736842844.

The previous prime is 300000222223003. The next prime is 300000222223061. The reversal of 300000222223021 is 120322222000003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 300000222223021 - 2²¹ = 300000220125869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 15789485380159 = 300000222223021 / (3 + 0 + 0 + 0 + 0 + 0 + 2 + 2 + 2 + 2 + 2 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300000222223021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300000222223061) 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, 7894742690061 + ... + 7894742690098.

It is an arithmetic number, because the mean of its divisors is an integer number (78947426900800).

Almost surely, 2^{300000222223021} is an apocalyptic number.

It is an amenable number.

300000222223021 is a deficient number, since it is larger than the sum of its proper divisors (15789485380179).

300000222223021 is a wasteful number, since it uses less digits than its factorization.

300000222223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789485380178.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 300000222223021 its reverse (120322222000003), we get a palindrome (420322444223024).

The spelling of 300000222223021 in words is "three hundred trillion, two hundred twenty-two million, two hundred twenty-three thousand, twenty-one".