22022221302 has 32 divisors (see below), whose sum is σ = 48952402560. Its totient is φ = 7338620520.

The previous prime is 22022221279. The next prime is 22022221313. The reversal of 22022221302 is 20312222022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135733 + ... + 249935.

It is an arithmetic number, because the mean of its divisors is an integer number (1529762580).

Almost surely, 2^22022221302 is an apocalyptic number.

22022221302 is an abundant number, since it is smaller than the sum of its proper divisors (26930181258).

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

22022221302 is a wasteful number, since it uses less digits than its factorization.

22022221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117785 (or 117779 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22022221302 its reverse (20312222022), we get a palindrome (42334443324).

The spelling of 22022221302 in words is "twenty-two billion, twenty-two million, two hundred twenty-one thousand, three hundred two".