22220350504 has 32 divisors (see below), whose sum is σ = 45519596640. Its totient is φ = 10084852800.

The previous prime is 22220350487. The next prime is 22220350513. The reversal of 22220350504 is 40505302222.

It is a happy number.

It is a super-2 number, since 2×22220350504² (a number of 21 digits) contains 22 as substring.

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, 132834 + ... + 249169.

It is an arithmetic number, because the mean of its divisors is an integer number (1422487395).

Almost surely, 2^22220350504 is an apocalyptic number.

It is an amenable number.

22220350504 is an abundant number, since it is smaller than the sum of its proper divisors (23299246136).

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

22220350504 is a wasteful number, since it uses less digits than its factorization.

22220350504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382681 (or 382677 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22220350504 its reverse (40505302222), we get a palindrome (62725652726).

The spelling of 22220350504 in words is "twenty-two billion, two hundred twenty million, three hundred fifty thousand, five hundred four".