22213443404 has 6 divisors (see below), whose sum is σ = 38873525964. Its totient is φ = 11106721700.

The previous prime is 22213443379. The next prime is 22213443407. The reversal of 22213443404 is 40434431222.

It is a super-2 number, since 2×22213443404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22213443407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776680422 + ... + 2776680429.

It is an arithmetic number, because the mean of its divisors is an integer number (6478920994).

Almost surely, 2^22213443404 is an apocalyptic number.

It is an amenable number.

22213443404 is a deficient number, since it is larger than the sum of its proper divisors (16660082560).

22213443404 is a wasteful number, since it uses less digits than its factorization.

22213443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553360855 (or 5553360853 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22213443404 its reverse (40434431222), we get a palindrome (62647874626).

The spelling of 22213443404 in words is "twenty-two billion, two hundred thirteen million, four hundred forty-three thousand, four hundred four".