10442223220 has 48 divisors (see below), whose sum is σ = 25762359168. Its totient is φ = 3505080960.

The previous prime is 10442223163. The next prime is 10442223223. The reversal of 10442223220 is 2232224401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10442223191 and 10442223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442223223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822704 + ... + 1828423.

It is an arithmetic number, because the mean of its divisors is an integer number (536715816).

Almost surely, 2^10442223220 is an apocalyptic number.

10442223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442223220 is an abundant number, since it is smaller than the sum of its proper divisors (15320135948).

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

10442223220 is a wasteful number, since it uses less digits than its factorization.

10442223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651160 (or 3651158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10442223220 its reverse (2232224401), we get a palindrome (12674447621).

The spelling of 10442223220 in words is "ten billion, four hundred forty-two million, two hundred twenty-three thousand, two hundred twenty".