222421444301 has 12 divisors (see below), whose sum is σ = 258744039840. Its totient is φ = 190640401560.

The previous prime is 222421444253. The next prime is 222421444313. The reversal of 222421444301 is 103444124222.

It is a happy number.

It is not a de Polignac number, because 222421444301 - 2³⁴ = 205241575117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222421444321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1838210 + ... + 1955468.

It is an arithmetic number, because the mean of its divisors is an integer number (21562003320).

Almost surely, 2^222421444301 is an apocalyptic number.

It is an amenable number.

222421444301 is a deficient number, since it is larger than the sum of its proper divisors (36322595539).

222421444301 is a wasteful number, since it uses less digits than its factorization.

222421444301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155984 (or 155977 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 222421444301 its reverse (103444124222), we get a palindrome (325865568523).

The spelling of 222421444301 in words is "two hundred twenty-two billion, four hundred twenty-one million, four hundred forty-four thousand, three hundred one".