22200020004 has 12 divisors (see below), whose sum is σ = 51800046704. Its totient is φ = 7400006664.

The previous prime is 22200019981. The next prime is 22200020009. The reversal of 22200020004 is 40002000222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1850001667 = 22200020004 / (2 + 2 + 2 + 0 + 0 + 0 + 2 + 0 + 0 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (22200020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925000822 + ... + 925000845.

Almost surely, 2^22200020004 is an apocalyptic number.

It is an amenable number.

22200020004 is an abundant number, since it is smaller than the sum of its proper divisors (29600026700).

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

22200020004 is a wasteful number, since it uses less digits than its factorization.

22200020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850001674 (or 1850001672 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22200020004 its reverse (40002000222), we get a palindrome (62202020226).

The spelling of 22200020004 in words is "twenty-two billion, two hundred million, twenty thousand, four".