222304030421 has 16 divisors (see below), whose sum is σ = 253083598848. Its totient is φ = 193287956400.

The previous prime is 222304030411. The next prime is 222304030423. The reversal of 222304030421 is 124030403222.

It is a de Polignac number, because none of the positive numbers 2^k-222304030421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222304030423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761280 + ... + 2840646.

It is an arithmetic number, because the mean of its divisors is an integer number (15817724928).

Almost surely, 2^222304030421 is an apocalyptic number.

It is an amenable number.

222304030421 is a deficient number, since it is larger than the sum of its proper divisors (30779568427).

222304030421 is a wasteful number, since it uses less digits than its factorization.

222304030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90472.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222304030421 its reverse (124030403222), we get a palindrome (346334433643).

The spelling of 222304030421 in words is "two hundred twenty-two billion, three hundred four million, thirty thousand, four hundred twenty-one".