220422444440 has 64 divisors (see below), whose sum is σ = 546393820320. Its totient is φ = 79360000000.

The previous prime is 220422444439. The next prime is 220422444457. The reversal of 220422444440 is 44444224022.

It is a junction number, because it is equal to n+sod(n) for n = 220422444397 and 220422444406.

It is a congruent number.

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, 2435561 + ... + 2524440.

Almost surely, 2^220422444440 is an apocalyptic number.

220422444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220422444440 is an abundant number, since it is smaller than the sum of its proper divisors (325971375880).

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

220422444440 is a wasteful number, since it uses less digits than its factorization.

220422444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960124 (or 4960120 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 220422444440 its reverse (44444224022), we get a palindrome (264866668462).

The spelling of 220422444440 in words is "two hundred twenty billion, four hundred twenty-two million, four hundred forty-four thousand, four hundred forty".