22220313402 has 16 divisors (see below), whose sum is σ = 50789287872. Its totient is φ = 6348660960.

The previous prime is 22220313389. The next prime is 22220313419. The reversal of 22220313402 is 20431302222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264527499 + ... + 264527582.

It is an arithmetic number, because the mean of its divisors is an integer number (3174330492).

Almost surely, 2^22220313402 is an apocalyptic number.

22220313402 is an abundant number, since it is smaller than the sum of its proper divisors (28568974470).

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

22220313402 is a wasteful number, since it uses less digits than its factorization.

22220313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529055093.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22220313402 its reverse (20431302222), we get a palindrome (42651615624).

The spelling of 22220313402 in words is "twenty-two billion, two hundred twenty million, three hundred thirteen thousand, four hundred two".