22404402224220 has 24 divisors (see below), whose sum is σ = 62732326227984. Its totient is φ = 5974507259776.

The previous prime is 22404402224219. The next prime is 22404402224233. The reversal of 22404402224220 is 2242220440422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186703351809 + ... + 186703351928.

It is an arithmetic number, because the mean of its divisors is an integer number (2613846926166).

Almost surely, 2^{22404402224220} is an apocalyptic number.

22404402224220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404402224220 is an abundant number, since it is smaller than the sum of its proper divisors (40327924003764).

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

22404402224220 is a wasteful number, since it uses less digits than its factorization.

22404402224220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373406703749 (or 373406703747 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22404402224220 its reverse (2242220440422), we get a palindrome (24646622664642).

The spelling of 22404402224220 in words is "twenty-two trillion, four hundred four billion, four hundred two million, two hundred twenty-four thousand, two hundred twenty".