222022424420 has 12 divisors (see below), whose sum is σ = 466247091324. Its totient is φ = 88808969760.

The previous prime is 222022424417. The next prime is 222022424423. The reversal of 222022424420 is 24424220222.

222022424420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222022424417) and next prime (222022424423).

It can be written as a sum of positive squares in 2 ways, for example, as 24004544356 + 198017880064 = 154934^2 + 444992^2 .

It is a super-2 number, since 2×222022424420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222022424420.

It is not an unprimeable number, because it can be changed into a prime (222022424423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550560591 + ... + 5550560630.

It is an arithmetic number, because the mean of its divisors is an integer number (38853924277).

Almost surely, 2^222022424420 is an apocalyptic number.

222022424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022424420 is an abundant number, since it is smaller than the sum of its proper divisors (244224666904).

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

222022424420 is a wasteful number, since it uses less digits than its factorization.

222022424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101121230 (or 11101121228 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 222022424420 its reverse (24424220222), we get a palindrome (246446644642).

The spelling of 222022424420 in words is "two hundred twenty-two billion, twenty-two million, four hundred twenty-four thousand, four hundred twenty".