22220312302246 has 16 divisors (see below), whose sum is σ = 33531149892240. Its totient is φ = 11043322907040.

The previous prime is 22220312302229. The next prime is 22220312302247. The reversal of 22220312302246 is 64220321302222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220312302247) 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, 14407341 + ... + 15874888.

It is an arithmetic number, because the mean of its divisors is an integer number (2095696868265).

Almost surely, 2^{22220312302246} is an apocalyptic number.

22220312302246 is a deficient number, since it is larger than the sum of its proper divisors (11310837589994).

22220312302246 is a wasteful number, since it uses less digits than its factorization.

22220312302246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30284439.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 22220312302246 its reverse (64220321302222), we get a palindrome (86440633604468).

The spelling of 22220312302246 in words is "twenty-two trillion, two hundred twenty billion, three hundred twelve million, three hundred two thousand, two hundred forty-six".