302211104420 has 24 divisors (see below), whose sum is σ = 635408907000. Its totient is φ = 120738615552.

The previous prime is 302211104411. The next prime is 302211104423. The reversal of 302211104420 is 24401112203.

It can be written as a sum of positive squares in 4 ways, for example, as 70903973284 + 231307131136 = 266278^2 + 480944^2 .

It is a super-2 number, since 2×302211104420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302211104392 and 302211104401.

It is not an unprimeable number, because it can be changed into a prime (302211104423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097145 + ... + 9130304.

It is an arithmetic number, because the mean of its divisors is an integer number (26475371125).

Almost surely, 2^302211104420 is an apocalyptic number.

It is an amenable number.

302211104420 is an abundant number, since it is smaller than the sum of its proper divisors (333197802580).

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

302211104420 is a wasteful number, since it uses less digits than its factorization.

302211104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18228287 (or 18228285 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 302211104420 its reverse (24401112203), we get a palindrome (326612216623).

The spelling of 302211104420 in words is "three hundred two billion, two hundred eleven million, one hundred four thousand, four hundred twenty".