22230272346 has 32 divisors (see below), whose sum is σ = 47796341760. Its totient is φ = 6870720816.

The previous prime is 22230272297. The next prime is 22230272347. The reversal of 22230272346 is 64327203222.

It is a happy number.

It is a super-3 number, since 3×22230272346³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22230272347) 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, 2069136 + ... + 2079851.

It is an arithmetic number, because the mean of its divisors is an integer number (1493635680).

Almost surely, 2^22230272346 is an apocalyptic number.

22230272346 is an abundant number, since it is smaller than the sum of its proper divisors (25566069414).

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

22230272346 is a wasteful number, since it uses less digits than its factorization.

22230272346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149058.

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 22230272346 its reverse (64327203222), we get a palindrome (86557475568).

The spelling of 22230272346 in words is "twenty-two billion, two hundred thirty million, two hundred seventy-two thousand, three hundred forty-six".