22213322421420 has 48 divisors (see below), whose sum is σ = 66981710688480. Its totient is φ = 5467894749696.

The previous prime is 22213322421383. The next prime is 22213322421457. The reversal of 22213322421420 is 2412422331222.

It is an interprime number because it is at equal distance from previous prime (22213322421383) and next prime (22213322421457).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14239308465 + ... + 14239310024.

It is an arithmetic number, because the mean of its divisors is an integer number (1395452306010).

Almost surely, 2^{22213322421420} is an apocalyptic number.

22213322421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22213322421420 is an abundant number, since it is smaller than the sum of its proper divisors (44768388267060).

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

22213322421420 is a wasteful number, since it uses less digits than its factorization.

22213322421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28478618514 (or 28478618512 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22213322421420 its reverse (2412422331222), we get a palindrome (24625744752642).

The spelling of 22213322421420 in words is "twenty-two trillion, two hundred thirteen billion, three hundred twenty-two million, four hundred twenty-one thousand, four hundred twenty".