22214021420 has 24 divisors (see below), whose sum is σ = 46935644784. Its totient is φ = 8831094336.

The previous prime is 22214021419. The next prime is 22214021521. The reversal of 22214021420 is 2412041222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22214021392 and 22214021401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403799 + ... + 3410318.

It is an arithmetic number, because the mean of its divisors is an integer number (1955651866).

Almost surely, 2^22214021420 is an apocalyptic number.

22214021420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22214021420 is an abundant number, since it is smaller than the sum of its proper divisors (24721623364).

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

22214021420 is a wasteful number, since it uses less digits than its factorization.

22214021420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814289 (or 6814287 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22214021420 its reverse (2412041222), we get a palindrome (24626062642).

The spelling of 22214021420 in words is "twenty-two billion, two hundred fourteen million, twenty-one thousand, four hundred twenty".