22303222004 has 18 divisors (see below), whose sum is σ = 45402988050. Its totient is φ = 9558523632.

The previous prime is 22303221979. The next prime is 22303222021. The reversal of 22303222004 is 40022230322.

It can be written as a sum of positive squares in only one way, i.e., 19922757904 + 2380464100 = 141148^2 + 48790^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56895779 + ... + 56896170.

It is an arithmetic number, because the mean of its divisors is an integer number (2522388225).

Almost surely, 2^22303222004 is an apocalyptic number.

It is an amenable number.

22303222004 is an abundant number, since it is smaller than the sum of its proper divisors (23099766046).

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

22303222004 is a wasteful number, since it uses less digits than its factorization.

22303222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113791967 (or 113791958 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22303222004 its reverse (40022230322), we get a palindrome (62325452326).

The spelling of 22303222004 in words is "twenty-two billion, three hundred three million, two hundred twenty-two thousand, four".